19797772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{787}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 36626240

約数和(自身を除く): 16828468

約数列:

[1, 2, 4, 19, 38, 76, 331, 662, 787, 1324, 1574, 3148, 6289, 12578, 14953, 25156, 29906, 59812, 260497, 520994, 1041988, 4949443, 9898886, 19797772]

約数ペア:

[(1, 19797772), (2, 9898886), (4, 4949443), (19, 1041988), (38, 520994), (76, 260497), (331, 59812), (662, 29906), (787, 25156), (1324, 14953), (1574, 12578), (3148, 6289)]