19654856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11117}}^1$

素因数の和:11153

約数の個数: 32

約数和(自身を含む): 42026040

約数和(自身を除く): 22371184

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11117, 22234, 44468, 88936, 144521, 188989, 289042, 377978, 578084, 755956, 1156168, 1511912, 2456857, 4913714, 9827428, 19654856]

約数ペア:

[(1, 19654856), (2, 9827428), (4, 4913714), (8, 2456857), (13, 1511912), (17, 1156168), (26, 755956), (34, 578084), (52, 377978), (68, 289042), (104, 188989), (136, 144521), (221, 88936), (442, 44468), (884, 22234), (1768, 11117)]