18391144

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 18328856

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 499, 542, 998, 1084, 1996, 2168, 3992, 4607, 8483, 9214, 16966, 18428, 33932, 36856, 67864, 135229, 270458, 540916, 1081832, 2298893, 4597786, 9195572, 18391144]

約数ペア:

[(1, 18391144), (2, 9195572), (4, 4597786), (8, 2298893), (17, 1081832), (34, 540916), (68, 270458), (136, 135229), (271, 67864), (499, 36856), (542, 33932), (998, 18428), (1084, 16966), (1996, 9214), (2168, 8483), (3992, 4607)]