18854220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 216

約数和(自身を含む): 68774832

約数和(自身を除く): 49920612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 53, 55, 60, 66, 70, 77, 84, 98, 105, 106, 110, 121, 132, 140, 147, 154, 159, 165, 196, 210, 212, 220, 231, 242, 245, 265, 294, 308, 318, 330, 363, 371, 385, 420, 462, 484, 490, 530, 539, 583, 588, 605, 636, 660, 726, 735, 742, 770, 795, 847, 924, 980, 1060, 1078, 1113, 1155, 1166, 1210, 1452, 1470, 1484, 1540, 1590, 1617, 1694, 1749, 1815, 1855, 2156, 2226, 2310, 2332, 2420, 2541, 2597, 2695, 2915, 2940, 3180, 3234, 3388, 3498, 3630, 3710, 4081, 4235, 4452, 4620, 5082, 5194, 5390, 5565, 5830, 5929, 6413, 6468, 6996, 7260, 7420, 7791, 8085, 8162, 8470, 8745, 10164, 10388, 10780, 11130, 11660, 11858, 12243, 12705, 12826, 12985, 15582, 16170, 16324, 16940, 17490, 17787, 19239, 20405, 22260, 23716, 24486, 25410, 25652, 25970, 28567, 29645, 31164, 32065, 32340, 34980, 35574, 38478, 38955, 40810, 44891, 48972, 50820, 51940, 57134, 59290, 61215, 64130, 71148, 76956, 77910, 81620, 85701, 88935, 89782, 96195, 114268, 118580, 122430, 128260, 134673, 142835, 155820, 171402, 177870, 179564, 192390, 224455, 244860, 269346, 285670, 314237, 342804, 355740, 384780, 428505, 448910, 538692, 571340, 628474, 673365, 857010, 897820, 942711, 1256948, 1346730, 1571185, 1714020, 1885422, 2693460, 3142370, 3770844, 4713555, 6284740, 9427110, 18854220]

約数ペア:

[(1, 18854220), (2, 9427110), (3, 6284740), (4, 4713555), (5, 3770844), (6, 3142370), (7, 2693460), (10, 1885422), (11, 1714020), (12, 1571185), (14, 1346730), (15, 1256948), (20, 942711), (21, 897820), (22, 857010), (28, 673365), (30, 628474), (33, 571340), (35, 538692), (42, 448910), (44, 428505), (49, 384780), (53, 355740), (55, 342804), (60, 314237), (66, 285670), (70, 269346), (77, 244860), (84, 224455), (98, 192390), (105, 179564), (106, 177870), (110, 171402), (121, 155820), (132, 142835), (140, 134673), (147, 128260), (154, 122430), (159, 118580), (165, 114268), (196, 96195), (210, 89782), (212, 88935), (220, 85701), (231, 81620), (242, 77910), (245, 76956), (265, 71148), (294, 64130), (308, 61215), (318, 59290), (330, 57134), (363, 51940), (371, 50820), (385, 48972), (420, 44891), (462, 40810), (484, 38955), (490, 38478), (530, 35574), (539, 34980), (583, 32340), (588, 32065), (605, 31164), (636, 29645), (660, 28567), (726, 25970), (735, 25652), (742, 25410), (770, 24486), (795, 23716), (847, 22260), (924, 20405), (980, 19239), (1060, 17787), (1078, 17490), (1113, 16940), (1155, 16324), (1166, 16170), (1210, 15582), (1452, 12985), (1470, 12826), (1484, 12705), (1540, 12243), (1590, 11858), (1617, 11660), (1694, 11130), (1749, 10780), (1815, 10388), (1855, 10164), (2156, 8745), (2226, 8470), (2310, 8162), (2332, 8085), (2420, 7791), (2541, 7420), (2597, 7260), (2695, 6996), (2915, 6468), (2940, 6413), (3180, 5929), (3234, 5830), (3388, 5565), (3498, 5390), (3630, 5194), (3710, 5082), (4081, 4620), (4235, 4452)]