18319704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 31757736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 827, 852, 923, 1654, 1704, 1846, 2481, 2769, 3308, 3692, 4962, 5538, 6616, 7384, 9924, 10751, 11076, 19848, 21502, 22152, 32253, 43004, 58717, 64506, 86008, 117434, 129012, 176151, 234868, 258024, 352302, 469736, 704604, 763321, 1409208, 1526642, 2289963, 3053284, 4579926, 6106568, 9159852, 18319704]

約数ペア:

[(1, 18319704), (2, 9159852), (3, 6106568), (4, 4579926), (6, 3053284), (8, 2289963), (12, 1526642), (13, 1409208), (24, 763321), (26, 704604), (39, 469736), (52, 352302), (71, 258024), (78, 234868), (104, 176151), (142, 129012), (156, 117434), (213, 86008), (284, 64506), (312, 58717), (426, 43004), (568, 32253), (827, 22152), (852, 21502), (923, 19848), (1654, 11076), (1704, 10751), (1846, 9924), (2481, 7384), (2769, 6616), (3308, 5538), (3692, 4962)]