18877170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 49392000

約数和(自身を除く): 30514830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 97, 130, 194, 195, 291, 390, 485, 499, 582, 970, 998, 1261, 1455, 1497, 2495, 2522, 2910, 2994, 3783, 4990, 6305, 6487, 7485, 7566, 12610, 12974, 14970, 18915, 19461, 32435, 37830, 38922, 48403, 64870, 96806, 97305, 145209, 194610, 242015, 290418, 484030, 629239, 726045, 1258478, 1452090, 1887717, 3146195, 3775434, 6292390, 9438585, 18877170]

約数ペア:

[(1, 18877170), (2, 9438585), (3, 6292390), (5, 3775434), (6, 3146195), (10, 1887717), (13, 1452090), (15, 1258478), (26, 726045), (30, 629239), (39, 484030), (65, 290418), (78, 242015), (97, 194610), (130, 145209), (194, 97305), (195, 96806), (291, 64870), (390, 48403), (485, 38922), (499, 37830), (582, 32435), (970, 19461), (998, 18915), (1261, 14970), (1455, 12974), (1497, 12610), (2495, 7566), (2522, 7485), (2910, 6487), (2994, 6305), (3783, 4990)]