18848947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 21067200

約数和(自身を除く): 2218253

約数列:

[1, 13, 37, 149, 263, 481, 1937, 3419, 5513, 9731, 39187, 71669, 126503, 509431, 1449919, 18848947]

約数ペア:

[(1, 18848947), (13, 1449919), (37, 509431), (149, 126503), (263, 71669), (481, 39187), (1937, 9731), (3419, 5513)]