19155872

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1531}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 41694912

約数和(自身を除く): 22539040

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1531, 1564, 3062, 3128, 6124, 6256, 12248, 12512, 24496, 26027, 35213, 48992, 52054, 70426, 104108, 140852, 208216, 281704, 416432, 563408, 598621, 832864, 1126816, 1197242, 2394484, 4788968, 9577936, 19155872]

約数ペア:

[(1, 19155872), (2, 9577936), (4, 4788968), (8, 2394484), (16, 1197242), (17, 1126816), (23, 832864), (32, 598621), (34, 563408), (46, 416432), (68, 281704), (92, 208216), (136, 140852), (184, 104108), (272, 70426), (368, 52054), (391, 48992), (544, 35213), (736, 26027), (782, 24496), (1531, 12512), (1564, 12248), (3062, 6256), (3128, 6124)]