18449360

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2239}}^1$

素因数の和:2355

約数の個数: 40

約数和(自身を含む): 43330560

約数和(自身を除く): 24881200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2239, 4120, 4478, 8240, 8956, 11195, 17912, 22390, 35824, 44780, 89560, 179120, 230617, 461234, 922468, 1153085, 1844936, 2306170, 3689872, 4612340, 9224680, 18449360]

約数ペア:

[(1, 18449360), (2, 9224680), (4, 4612340), (5, 3689872), (8, 2306170), (10, 1844936), (16, 1153085), (20, 922468), (40, 461234), (80, 230617), (103, 179120), (206, 89560), (412, 44780), (515, 35824), (824, 22390), (1030, 17912), (1648, 11195), (2060, 8956), (2239, 8240), (4120, 4478)]