16890196

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 30499560

約数和(自身を除く): 13609364

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 569, 724, 1138, 2276, 7421, 14842, 23329, 29684, 46658, 93316, 102989, 205978, 411956, 4222549, 8445098, 16890196]

約数ペア:

[(1, 16890196), (2, 8445098), (4, 4222549), (41, 411956), (82, 205978), (164, 102989), (181, 93316), (362, 46658), (569, 29684), (724, 23329), (1138, 14842), (2276, 7421)]