22381490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 41852160

約数和(自身を除く): 19470670

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 691, 790, 1382, 3239, 3455, 6478, 6910, 16195, 28331, 32390, 54589, 56662, 109178, 141655, 272945, 283310, 545890, 2238149, 4476298, 11190745, 22381490]

約数ペア:

[(1, 22381490), (2, 11190745), (5, 4476298), (10, 2238149), (41, 545890), (79, 283310), (82, 272945), (158, 141655), (205, 109178), (395, 56662), (410, 54589), (691, 32390), (790, 28331), (1382, 16195), (3239, 6910), (3455, 6478)]