19935731348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{6991}}^1$

素因数の和:7129

約数の個数: 96

約数和(自身を含む): 40784056320

約数和(自身を除く): 20848324972

約数列:

[1, 2, 4, 13, 26, 29, 31, 52, 58, 61, 62, 116, 122, 124, 244, 377, 403, 754, 793, 806, 899, 1508, 1586, 1612, 1769, 1798, 1891, 3172, 3538, 3596, 3782, 6991, 7076, 7564, 11687, 13982, 22997, 23374, 24583, 27964, 45994, 46748, 49166, 54839, 90883, 91988, 98332, 109678, 181766, 202739, 216721, 219356, 363532, 405478, 426451, 433442, 712907, 810956, 852902, 866884, 1425814, 1705804, 2635607, 2817373, 2851628, 5271214, 5543863, 5634746, 6284909, 10542428, 11087726, 11269492, 12367079, 12569818, 13219981, 22175452, 24734158, 25139636, 26439962, 49468316, 52879924, 81703817, 160772027, 163407634, 171859753, 321544054, 326815268, 343719506, 383379449, 643088108, 687439012, 766758898, 1533517796, 4983932837, 9967865674, 19935731348]

約数ペア:

[(1, 19935731348), (2, 9967865674), (4, 4983932837), (13, 1533517796), (26, 766758898), (29, 687439012), (31, 643088108), (52, 383379449), (58, 343719506), (61, 326815268), (62, 321544054), (116, 171859753), (122, 163407634), (124, 160772027), (244, 81703817), (377, 52879924), (403, 49468316), (754, 26439962), (793, 25139636), (806, 24734158), (899, 22175452), (1508, 13219981), (1586, 12569818), (1612, 12367079), (1769, 11269492), (1798, 11087726), (1891, 10542428), (3172, 6284909), (3538, 5634746), (3596, 5543863), (3782, 5271214), (6991, 2851628), (7076, 2817373), (7564, 2635607), (11687, 1705804), (13982, 1425814), (22997, 866884), (23374, 852902), (24583, 810956), (27964, 712907), (45994, 433442), (46748, 426451), (49166, 405478), (54839, 363532), (90883, 219356), (91988, 216721), (98332, 202739), (109678, 181766)]