18981214

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 34727616

約数和(自身を除く): 15746402

約数列:

[1, 2, 7, 14, 17, 34, 119, 173, 238, 346, 461, 922, 1211, 2422, 2941, 3227, 5882, 6454, 7837, 15674, 20587, 41174, 54859, 79753, 109718, 159506, 558271, 1116542, 1355801, 2711602, 9490607, 18981214]

約数ペア:

[(1, 18981214), (2, 9490607), (7, 2711602), (14, 1355801), (17, 1116542), (34, 558271), (119, 159506), (173, 109718), (238, 79753), (346, 54859), (461, 41174), (922, 20587), (1211, 15674), (2422, 7837), (2941, 6454), (3227, 5882)]