18543668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1907}}^1$

素因数の和:1952

約数の個数: 48

約数和(自身を含む): 40388544

約数和(自身を除く): 21844876

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 1907, 2431, 3814, 4862, 7628, 9724, 20977, 24791, 32419, 41954, 49582, 64838, 83908, 99164, 129676, 272701, 356609, 421447, 545402, 713218, 842894, 1090804, 1426436, 1685788, 4635917, 9271834, 18543668]

約数ペア:

[(1, 18543668), (2, 9271834), (4, 4635917), (11, 1685788), (13, 1426436), (17, 1090804), (22, 842894), (26, 713218), (34, 545402), (44, 421447), (52, 356609), (68, 272701), (143, 129676), (187, 99164), (221, 83908), (286, 64838), (374, 49582), (442, 41954), (572, 32419), (748, 24791), (884, 20977), (1907, 9724), (2431, 7628), (3814, 4862)]