19601725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5483}}^1$

素因数の和:5517

約数の個数: 24

約数和(自身を含む): 28560672

約数和(自身を除く): 8958947

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 5483, 27415, 60313, 71279, 137075, 301565, 356395, 784069, 1507825, 1781975, 3920345, 19601725]

約数ペア:

[(1, 19601725), (5, 3920345), (11, 1781975), (13, 1507825), (25, 784069), (55, 356395), (65, 301565), (143, 137075), (275, 71279), (325, 60313), (715, 27415), (3575, 5483)]