18772740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 66673152

約数和(自身を除く): 47900412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 317, 329, 420, 423, 470, 564, 630, 634, 658, 705, 846, 940, 951, 987, 1260, 1268, 1316, 1410, 1585, 1645, 1692, 1902, 1974, 2115, 2219, 2820, 2853, 2961, 3170, 3290, 3804, 3948, 4230, 4438, 4755, 4935, 5706, 5922, 6340, 6580, 6657, 8460, 8876, 9510, 9870, 11095, 11412, 11844, 13314, 14265, 14805, 14899, 19020, 19740, 19971, 22190, 26628, 28530, 29610, 29798, 33285, 39942, 44380, 44697, 57060, 59220, 59596, 66570, 74495, 79884, 89394, 99855, 104293, 133140, 134091, 148990, 178788, 199710, 208586, 223485, 268182, 297980, 312879, 399420, 417172, 446970, 521465, 536364, 625758, 670455, 893940, 938637, 1042930, 1251516, 1340910, 1564395, 1877274, 2085860, 2681820, 3128790, 3754548, 4693185, 6257580, 9386370, 18772740]

約数ペア:

[(1, 18772740), (2, 9386370), (3, 6257580), (4, 4693185), (5, 3754548), (6, 3128790), (7, 2681820), (9, 2085860), (10, 1877274), (12, 1564395), (14, 1340910), (15, 1251516), (18, 1042930), (20, 938637), (21, 893940), (28, 670455), (30, 625758), (35, 536364), (36, 521465), (42, 446970), (45, 417172), (47, 399420), (60, 312879), (63, 297980), (70, 268182), (84, 223485), (90, 208586), (94, 199710), (105, 178788), (126, 148990), (140, 134091), (141, 133140), (180, 104293), (188, 99855), (210, 89394), (235, 79884), (252, 74495), (282, 66570), (315, 59596), (317, 59220), (329, 57060), (420, 44697), (423, 44380), (470, 39942), (564, 33285), (630, 29798), (634, 29610), (658, 28530), (705, 26628), (846, 22190), (940, 19971), (951, 19740), (987, 19020), (1260, 14899), (1268, 14805), (1316, 14265), (1410, 13314), (1585, 11844), (1645, 11412), (1692, 11095), (1902, 9870), (1974, 9510), (2115, 8876), (2219, 8460), (2820, 6657), (2853, 6580), (2961, 6340), (3170, 5922), (3290, 5706), (3804, 4935), (3948, 4755), (4230, 4438)]