18191836

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1583}}^1$

素因数の和:1630

約数の個数: 36

約数和(自身を含む): 36523872

約数和(自身を除く): 18332036

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 1583, 2873, 3166, 5746, 6332, 11492, 20579, 26911, 41158, 53822, 82316, 107644, 267527, 349843, 535054, 699686, 1070108, 1399372, 4547959, 9095918, 18191836]

約数ペア:

[(1, 18191836), (2, 9095918), (4, 4547959), (13, 1399372), (17, 1070108), (26, 699686), (34, 535054), (52, 349843), (68, 267527), (169, 107644), (221, 82316), (338, 53822), (442, 41158), (676, 26911), (884, 20579), (1583, 11492), (2873, 6332), (3166, 5746)]