20189830

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18869}}^1$

素因数の和:18983

約数の個数: 16

約数和(自身を含む): 36683280

約数和(自身を除く): 16493450

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 18869, 37738, 94345, 188690, 2018983, 4037966, 10094915, 20189830]

約数ペア:

[(1, 20189830), (2, 10094915), (5, 4037966), (10, 2018983), (107, 188690), (214, 94345), (535, 37738), (1070, 18869)]