17857580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68683}}^1$

素因数の和:68705

約数の個数: 24

約数和(自身を含む): 40386192

約数和(自身を除く): 22528612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68683, 137366, 274732, 343415, 686830, 892879, 1373660, 1785758, 3571516, 4464395, 8928790, 17857580]

約数ペア:

[(1, 17857580), (2, 8928790), (4, 4464395), (5, 3571516), (10, 1785758), (13, 1373660), (20, 892879), (26, 686830), (52, 343415), (65, 274732), (130, 137366), (260, 68683)]