18408160

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1235

約数の個数: 48

約数和(自身を含む): 43950816

約数和(自身を除く): 25542656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1117, 1648, 2060, 2234, 3296, 4120, 4468, 5585, 8240, 8936, 11170, 16480, 17872, 22340, 35744, 44680, 89360, 115051, 178720, 230102, 460204, 575255, 920408, 1150510, 1840816, 2301020, 3681632, 4602040, 9204080, 18408160]

約数ペア:

[(1, 18408160), (2, 9204080), (4, 4602040), (5, 3681632), (8, 2301020), (10, 1840816), (16, 1150510), (20, 920408), (32, 575255), (40, 460204), (80, 230102), (103, 178720), (160, 115051), (206, 89360), (412, 44680), (515, 35744), (824, 22340), (1030, 17872), (1117, 16480), (1648, 11170), (2060, 8936), (2234, 8240), (3296, 5585), (4120, 4468)]