19647780543

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{227951}}^1$

素因数の和:228175

約数の個数: 24

約数和(自身を含む): 29029231296

約数和(自身を除く): 9381450753

約数列:

[1, 3, 9, 61, 157, 183, 471, 549, 1413, 9577, 28731, 86193, 227951, 683853, 2051559, 13905011, 35788307, 41715033, 107364921, 125145099, 322094763, 2183086727, 6549260181, 19647780543]

約数ペア:

[(1, 19647780543), (3, 6549260181), (9, 2183086727), (61, 322094763), (157, 125145099), (183, 107364921), (471, 41715033), (549, 35788307), (1413, 13905011), (9577, 2051559), (28731, 683853), (86193, 227951)]