18315475

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 24185952

約数和(自身を除く): 5870477

約数列:

[1, 5, 23, 25, 53, 115, 265, 575, 601, 1219, 1325, 3005, 6095, 13823, 15025, 30475, 31853, 69115, 159265, 345575, 732619, 796325, 3663095, 18315475]

約数ペア:

[(1, 18315475), (5, 3663095), (23, 796325), (25, 732619), (53, 345575), (115, 159265), (265, 69115), (575, 31853), (601, 30475), (1219, 15025), (1325, 13823), (3005, 6095)]