19281925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{751}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 26109440

約数和(自身を除く): 6827515

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 751, 1027, 1975, 3755, 5135, 9763, 18775, 25675, 48815, 59329, 244075, 296645, 771277, 1483225, 3856385, 19281925]

約数ペア:

[(1, 19281925), (5, 3856385), (13, 1483225), (25, 771277), (65, 296645), (79, 244075), (325, 59329), (395, 48815), (751, 25675), (1027, 18775), (1975, 9763), (3755, 5135)]