18005456

素因数分解:

$2^4\times 7^1\times {\mathrm{373}}^1\times {\mathrm{431}}^1$

素因数の和:819

約数の個数: 40

約数和(自身を含む): 40068864

約数和(自身を除く): 22063408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 373, 431, 746, 862, 1492, 1724, 2611, 2984, 3017, 3448, 5222, 5968, 6034, 6896, 10444, 12068, 20888, 24136, 41776, 48272, 160763, 321526, 643052, 1125341, 1286104, 2250682, 2572208, 4501364, 9002728, 18005456]

約数ペア:

[(1, 18005456), (2, 9002728), (4, 4501364), (7, 2572208), (8, 2250682), (14, 1286104), (16, 1125341), (28, 643052), (56, 321526), (112, 160763), (373, 48272), (431, 41776), (746, 24136), (862, 20888), (1492, 12068), (1724, 10444), (2611, 6896), (2984, 6034), (3017, 5968), (3448, 5222)]