19399388

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 34588512

約数和(自身を除く): 15189124

約数列:

[1, 2, 4, 113, 167, 226, 257, 334, 452, 514, 668, 1028, 18871, 29041, 37742, 42919, 58082, 75484, 85838, 116164, 171676, 4849847, 9699694, 19399388]

約数ペア:

[(1, 19399388), (2, 9699694), (4, 4849847), (113, 171676), (167, 116164), (226, 85838), (257, 75484), (334, 58082), (452, 42919), (514, 37742), (668, 29041), (1028, 18871)]