18008658

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 40772160

約数和(自身を除く): 22763502

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 106, 129, 159, 258, 318, 387, 439, 477, 774, 878, 954, 1317, 2279, 2634, 3951, 4558, 6837, 7902, 13674, 18877, 20511, 23267, 37754, 41022, 46534, 56631, 69801, 113262, 139602, 169893, 209403, 339786, 418806, 1000481, 2000962, 3001443, 6002886, 9004329, 18008658]

約数ペア:

[(1, 18008658), (2, 9004329), (3, 6002886), (6, 3001443), (9, 2000962), (18, 1000481), (43, 418806), (53, 339786), (86, 209403), (106, 169893), (129, 139602), (159, 113262), (258, 69801), (318, 56631), (387, 46534), (439, 41022), (477, 37754), (774, 23267), (878, 20511), (954, 18877), (1317, 13674), (2279, 7902), (2634, 6837), (3951, 4558)]