18727472

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2277

約数の個数: 40

約数和(自身を含む): 39676032

約数和(自身を除く): 20948560

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2221, 4216, 4442, 8432, 8884, 17768, 35536, 37757, 68851, 75514, 137702, 151028, 275404, 302056, 550808, 604112, 1101616, 1170467, 2340934, 4681868, 9363736, 18727472]

約数ペア:

[(1, 18727472), (2, 9363736), (4, 4681868), (8, 2340934), (16, 1170467), (17, 1101616), (31, 604112), (34, 550808), (62, 302056), (68, 275404), (124, 151028), (136, 137702), (248, 75514), (272, 68851), (496, 37757), (527, 35536), (1054, 17768), (2108, 8884), (2221, 8432), (4216, 4442)]