18744530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{809}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 38724480

約数和(自身を除く): 19979950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 331, 662, 809, 1618, 1655, 2317, 3310, 4045, 4634, 5663, 8090, 11326, 11585, 23170, 28315, 56630, 267779, 535558, 1338895, 1874453, 2677790, 3748906, 9372265, 18744530]

約数ペア:

[(1, 18744530), (2, 9372265), (5, 3748906), (7, 2677790), (10, 1874453), (14, 1338895), (35, 535558), (70, 267779), (331, 56630), (662, 28315), (809, 23170), (1618, 11585), (1655, 11326), (2317, 8090), (3310, 5663), (4045, 4634)]