18739684

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2213}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 34405560

約数和(自身を除く): 15665876

約数列:

[1, 2, 4, 29, 58, 73, 116, 146, 292, 2117, 2213, 4234, 4426, 8468, 8852, 64177, 128354, 161549, 256708, 323098, 646196, 4684921, 9369842, 18739684]

約数ペア:

[(1, 18739684), (2, 9369842), (4, 4684921), (29, 646196), (58, 323098), (73, 256708), (116, 161549), (146, 128354), (292, 64177), (2117, 8852), (2213, 8468), (4234, 4426)]