19112940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:237

約数の個数: 216

約数和(自身を含む): 73945872

約数和(自身を除く): 54832932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 197, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 394, 396, 420, 441, 462, 490, 495, 539, 588, 591, 630, 660, 693, 735, 770, 788, 882, 924, 980, 985, 990, 1078, 1155, 1182, 1260, 1379, 1386, 1470, 1540, 1617, 1764, 1773, 1970, 1980, 2156, 2167, 2205, 2310, 2364, 2695, 2758, 2772, 2940, 2955, 3234, 3465, 3546, 3940, 4137, 4334, 4410, 4620, 4851, 5390, 5516, 5910, 6468, 6501, 6895, 6930, 7092, 8085, 8274, 8668, 8820, 8865, 9653, 9702, 10780, 10835, 11820, 12411, 13002, 13790, 13860, 15169, 16170, 16548, 17730, 19306, 19404, 19503, 20685, 21670, 24255, 24822, 26004, 27580, 28959, 30338, 32340, 32505, 35460, 38612, 39006, 41370, 43340, 45507, 48265, 48510, 49644, 57918, 60676, 62055, 65010, 75845, 78012, 82740, 86877, 91014, 96530, 97020, 97515, 106183, 115836, 124110, 130020, 136521, 144795, 151690, 173754, 182028, 193060, 195030, 212366, 227535, 248220, 273042, 289590, 303380, 318549, 347508, 390060, 424732, 434385, 455070, 530915, 546084, 579180, 637098, 682605, 868770, 910140, 955647, 1061830, 1274196, 1365210, 1592745, 1737540, 1911294, 2123660, 2730420, 3185490, 3822588, 4778235, 6370980, 9556470, 19112940]

約数ペア:

[(1, 19112940), (2, 9556470), (3, 6370980), (4, 4778235), (5, 3822588), (6, 3185490), (7, 2730420), (9, 2123660), (10, 1911294), (11, 1737540), (12, 1592745), (14, 1365210), (15, 1274196), (18, 1061830), (20, 955647), (21, 910140), (22, 868770), (28, 682605), (30, 637098), (33, 579180), (35, 546084), (36, 530915), (42, 455070), (44, 434385), (45, 424732), (49, 390060), (55, 347508), (60, 318549), (63, 303380), (66, 289590), (70, 273042), (77, 248220), (84, 227535), (90, 212366), (98, 195030), (99, 193060), (105, 182028), (110, 173754), (126, 151690), (132, 144795), (140, 136521), (147, 130020), (154, 124110), (165, 115836), (180, 106183), (196, 97515), (197, 97020), (198, 96530), (210, 91014), (220, 86877), (231, 82740), (245, 78012), (252, 75845), (294, 65010), (308, 62055), (315, 60676), (330, 57918), (385, 49644), (394, 48510), (396, 48265), (420, 45507), (441, 43340), (462, 41370), (490, 39006), (495, 38612), (539, 35460), (588, 32505), (591, 32340), (630, 30338), (660, 28959), (693, 27580), (735, 26004), (770, 24822), (788, 24255), (882, 21670), (924, 20685), (980, 19503), (985, 19404), (990, 19306), (1078, 17730), (1155, 16548), (1182, 16170), (1260, 15169), (1379, 13860), (1386, 13790), (1470, 13002), (1540, 12411), (1617, 11820), (1764, 10835), (1773, 10780), (1970, 9702), (1980, 9653), (2156, 8865), (2167, 8820), (2205, 8668), (2310, 8274), (2364, 8085), (2695, 7092), (2758, 6930), (2772, 6895), (2940, 6501), (2955, 6468), (3234, 5910), (3465, 5516), (3546, 5390), (3940, 4851), (4137, 4620), (4334, 4410)]