18301040

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2337

約数の個数: 40

約数和(自身を含む): 42982368

約数和(自身を除く): 24681328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2221, 4120, 4442, 8240, 8884, 11105, 17768, 22210, 35536, 44420, 88840, 177680, 228763, 457526, 915052, 1143815, 1830104, 2287630, 3660208, 4575260, 9150520, 18301040]

約数ペア:

[(1, 18301040), (2, 9150520), (4, 4575260), (5, 3660208), (8, 2287630), (10, 1830104), (16, 1143815), (20, 915052), (40, 457526), (80, 228763), (103, 177680), (206, 88840), (412, 44420), (515, 35536), (824, 22210), (1030, 17768), (1648, 11105), (2060, 8884), (2221, 8240), (4120, 4442)]