18232720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20719}}^1$

素因数の和:20743

約数の個数: 40

約数和(自身を含む): 46247040

約数和(自身を除く): 28014320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20719, 41438, 82876, 103595, 165752, 207190, 227909, 331504, 414380, 455818, 828760, 911636, 1139545, 1657520, 1823272, 2279090, 3646544, 4558180, 9116360, 18232720]

約数ペア:

[(1, 18232720), (2, 9116360), (4, 4558180), (5, 3646544), (8, 2279090), (10, 1823272), (11, 1657520), (16, 1139545), (20, 911636), (22, 828760), (40, 455818), (44, 414380), (55, 331504), (80, 227909), (88, 207190), (110, 165752), (176, 103595), (220, 82876), (440, 41438), (880, 20719)]