18181672

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 34951680

約数和(自身を除く): 16770008

約数列:

[1, 2, 4, 8, 73, 146, 163, 191, 292, 326, 382, 584, 652, 764, 1304, 1528, 11899, 13943, 23798, 27886, 31133, 47596, 55772, 62266, 95192, 111544, 124532, 249064, 2272709, 4545418, 9090836, 18181672]

約数ペア:

[(1, 18181672), (2, 9090836), (4, 4545418), (8, 2272709), (73, 249064), (146, 124532), (163, 111544), (191, 95192), (292, 62266), (326, 55772), (382, 47596), (584, 31133), (652, 27886), (764, 23798), (1304, 13943), (1528, 11899)]