18724377

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 29712384

約数和(自身を除く): 10988007

約数列:

[1, 3, 7, 21, 47, 61, 141, 183, 311, 329, 427, 933, 987, 1281, 2177, 2867, 6531, 8601, 14617, 18971, 20069, 43851, 56913, 60207, 102319, 132797, 306957, 398391, 891637, 2674911, 6241459, 18724377]

約数ペア:

[(1, 18724377), (3, 6241459), (7, 2674911), (21, 891637), (47, 398391), (61, 306957), (141, 132797), (183, 102319), (311, 60207), (329, 56913), (427, 43851), (933, 20069), (987, 18971), (1281, 14617), (2177, 8601), (2867, 6531)]