18685030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20533}}^1$

素因数の和:20560

約数の個数: 32

約数和(自身を含む): 41396544

約数和(自身を除く): 22711514

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20533, 41066, 102665, 143731, 205330, 266929, 287462, 533858, 718655, 1334645, 1437310, 1868503, 2669290, 3737006, 9342515, 18685030]

約数ペア:

[(1, 18685030), (2, 9342515), (5, 3737006), (7, 2669290), (10, 1868503), (13, 1437310), (14, 1334645), (26, 718655), (35, 533858), (65, 287462), (70, 266929), (91, 205330), (130, 143731), (182, 102665), (455, 41066), (910, 20533)]