19655705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{601}}^1$

素因数の和:848

約数の個数: 16

約数和(自身を含む): 24503808

約数和(自身を除く): 4848103

約数列:

[1, 5, 31, 155, 211, 601, 1055, 3005, 6541, 18631, 32705, 93155, 126811, 634055, 3931141, 19655705]

約数ペア:

[(1, 19655705), (5, 3931141), (31, 634055), (155, 126811), (211, 93155), (601, 32705), (1055, 18631), (3005, 6541)]