19480981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 21814128

約数和(自身を除く): 2333147

約数列:

[1, 13, 37, 101, 401, 481, 1313, 3737, 5213, 14837, 40501, 48581, 192881, 526513, 1498537, 19480981]

約数ペア:

[(1, 19480981), (13, 1498537), (37, 526513), (101, 192881), (401, 48581), (481, 40501), (1313, 14837), (3737, 5213)]