19802512

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{4567}}^1$

素因数の和:4846

約数の個数: 20

約数和(自身を含む): 38517376

約数和(自身を除く): 18714864

約数列:

[1, 2, 4, 8, 16, 271, 542, 1084, 2168, 4336, 4567, 9134, 18268, 36536, 73072, 1237657, 2475314, 4950628, 9901256, 19802512]

約数ペア:

[(1, 19802512), (2, 9901256), (4, 4950628), (8, 2475314), (16, 1237657), (271, 73072), (542, 36536), (1084, 18268), (2168, 9134), (4336, 4567)]