19929345

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18713}}^1$

素因数の和:18792

約数の個数: 16

約数和(自身を含む): 32337792

約数和(自身を除く): 12408447

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 18713, 56139, 93565, 280695, 1328623, 3985869, 6643115, 19929345]

約数ペア:

[(1, 19929345), (3, 6643115), (5, 3985869), (15, 1328623), (71, 280695), (213, 93565), (355, 56139), (1065, 18713)]