18682372

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 33445440

約数和(自身を除く): 14763068

約数列:

[1, 2, 4, 71, 142, 157, 284, 314, 419, 628, 838, 1676, 11147, 22294, 29749, 44588, 59498, 65783, 118996, 131566, 263132, 4670593, 9341186, 18682372]

約数ペア:

[(1, 18682372), (2, 9341186), (4, 4670593), (71, 263132), (142, 131566), (157, 118996), (284, 65783), (314, 59498), (419, 44588), (628, 29749), (838, 22294), (1676, 11147)]