19995722

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{907}}^1$

素因数の和:1133

約数の個数: 16

約数和(自身を含む): 30639552

約数和(自身を除く): 10643830

約数列:

[1, 2, 73, 146, 151, 302, 907, 1814, 11023, 22046, 66211, 132422, 136957, 273914, 9997861, 19995722]

約数ペア:

[(1, 19995722), (2, 9997861), (73, 273914), (146, 136957), (151, 132422), (302, 66211), (907, 22046), (1814, 11023)]