18630950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28663}}^1$

素因数の和:28688

約数の個数: 24

約数和(自身を含む): 37320528

約数和(自身を除く): 18689578

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28663, 57326, 143315, 286630, 372619, 716575, 745238, 1433150, 1863095, 3726190, 9315475, 18630950]

約数ペア:

[(1, 18630950), (2, 9315475), (5, 3726190), (10, 1863095), (13, 1433150), (25, 745238), (26, 716575), (50, 372619), (65, 286630), (130, 143315), (325, 57326), (650, 28663)]