18892432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1571

約数の個数: 40

約数和(自身を含む): 40092920

約数和(自身を除く): 21200488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1489, 1586, 2978, 3172, 5956, 6344, 11912, 12688, 19357, 23824, 38714, 77428, 90829, 154856, 181658, 309712, 363316, 726632, 1180777, 1453264, 2361554, 4723108, 9446216, 18892432]

約数ペア:

[(1, 18892432), (2, 9446216), (4, 4723108), (8, 2361554), (13, 1453264), (16, 1180777), (26, 726632), (52, 363316), (61, 309712), (104, 181658), (122, 154856), (208, 90829), (244, 77428), (488, 38714), (793, 23824), (976, 19357), (1489, 12688), (1586, 11912), (2978, 6344), (3172, 5956)]