17988388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1801}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 34511904

約数和(自身を除く): 16523516

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 1801, 2497, 3602, 4994, 7204, 9988, 19811, 39622, 79244, 408827, 817654, 1635308, 4497097, 8994194, 17988388]

約数ペア:

[(1, 17988388), (2, 8994194), (4, 4497097), (11, 1635308), (22, 817654), (44, 408827), (227, 79244), (454, 39622), (908, 19811), (1801, 9988), (2497, 7204), (3602, 4994)]