19753864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11173}}^1$

素因数の和:11209

約数の個数: 32

約数和(自身を含む): 42237720

約数和(自身を除く): 22483856

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11173, 22346, 44692, 89384, 145249, 189941, 290498, 379882, 580996, 759764, 1161992, 1519528, 2469233, 4938466, 9876932, 19753864]

約数ペア:

[(1, 19753864), (2, 9876932), (4, 4938466), (8, 2469233), (13, 1519528), (17, 1161992), (26, 759764), (34, 580996), (52, 379882), (68, 290498), (104, 189941), (136, 145249), (221, 89384), (442, 44692), (884, 22346), (1768, 11173)]