18139472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2415

約数の個数: 40

約数和(自身を含む): 38888136

約数和(自身を除く): 20748664

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 962, 1924, 2357, 3848, 4714, 7696, 9428, 18856, 30641, 37712, 61282, 87209, 122564, 174418, 245128, 348836, 490256, 697672, 1133717, 1395344, 2267434, 4534868, 9069736, 18139472]

約数ペア:

[(1, 18139472), (2, 9069736), (4, 4534868), (8, 2267434), (13, 1395344), (16, 1133717), (26, 697672), (37, 490256), (52, 348836), (74, 245128), (104, 174418), (148, 122564), (208, 87209), (296, 61282), (481, 37712), (592, 30641), (962, 18856), (1924, 9428), (2357, 7696), (3848, 4714)]