19877142

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{21101}}^1$

素因数の和:21263

約数の個数: 16

約数和(自身を含む): 40009392

約数和(自身を除く): 20132250

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 21101, 42202, 63303, 126606, 3312857, 6625714, 9938571, 19877142]

約数ペア:

[(1, 19877142), (2, 9938571), (3, 6625714), (6, 3312857), (157, 126606), (314, 63303), (471, 42202), (942, 21101)]