18559450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4079}}^1$

素因数の和:4111

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 23937830

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4079, 4550, 8158, 20395, 28553, 40790, 53027, 57106, 101975, 106054, 142765, 203950, 265135, 285530, 371189, 530270, 713825, 742378, 1325675, 1427650, 1855945, 2651350, 3711890, 9279725, 18559450]

約数ペア:

[(1, 18559450), (2, 9279725), (5, 3711890), (7, 2651350), (10, 1855945), (13, 1427650), (14, 1325675), (25, 742378), (26, 713825), (35, 530270), (50, 371189), (65, 285530), (70, 265135), (91, 203950), (130, 142765), (175, 106054), (182, 101975), (325, 57106), (350, 53027), (455, 40790), (650, 28553), (910, 20395), (2275, 8158), (4079, 4550)]