18708456

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{983}}^1$

素因数の和:1066

約数の個数: 64

約数和(自身を含む): 51246720

約数和(自身を除く): 32538264

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 983, 1464, 1586, 1966, 2379, 2949, 3172, 3932, 4758, 5898, 6344, 7864, 9516, 11796, 12779, 19032, 23592, 25558, 38337, 51116, 59963, 76674, 102232, 119926, 153348, 179889, 239852, 306696, 359778, 479704, 719556, 779519, 1439112, 1559038, 2338557, 3118076, 4677114, 6236152, 9354228, 18708456]

約数ペア:

[(1, 18708456), (2, 9354228), (3, 6236152), (4, 4677114), (6, 3118076), (8, 2338557), (12, 1559038), (13, 1439112), (24, 779519), (26, 719556), (39, 479704), (52, 359778), (61, 306696), (78, 239852), (104, 179889), (122, 153348), (156, 119926), (183, 102232), (244, 76674), (312, 59963), (366, 51116), (488, 38337), (732, 25558), (793, 23592), (983, 19032), (1464, 12779), (1586, 11796), (1966, 9516), (2379, 7864), (2949, 6344), (3172, 5898), (3932, 4758)]