18481480

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3527}}^1$

素因数の和:3669

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 23431160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 3527, 5240, 7054, 14108, 17635, 28216, 35270, 70540, 141080, 462037, 924074, 1848148, 2310185, 3696296, 4620370, 9240740, 18481480]

約数ペア:

[(1, 18481480), (2, 9240740), (4, 4620370), (5, 3696296), (8, 2310185), (10, 1848148), (20, 924074), (40, 462037), (131, 141080), (262, 70540), (524, 35270), (655, 28216), (1048, 17635), (1310, 14108), (2620, 7054), (3527, 5240)]