18490984

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{6983}}^1$

素因数の和:7320

約数の個数: 16

約数和(自身を含む): 34780320

約数和(自身を除く): 16289336

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 6983, 13966, 27932, 55864, 2311373, 4622746, 9245492, 18490984]

約数ペア:

[(1, 18490984), (2, 9245492), (4, 4622746), (8, 2311373), (331, 55864), (662, 27932), (1324, 13966), (2648, 6983)]