18059975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 23815440

約数和(自身を除く): 5755465

約数列:

[1, 5, 19, 25, 95, 193, 197, 475, 965, 985, 3667, 3743, 4825, 4925, 18335, 18715, 38021, 91675, 93575, 190105, 722399, 950525, 3611995, 18059975]

約数ペア:

[(1, 18059975), (5, 3611995), (19, 950525), (25, 722399), (95, 190105), (193, 93575), (197, 91675), (475, 38021), (965, 18715), (985, 18335), (3667, 4925), (3743, 4825)]