19865198

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1499

約数の個数: 16

約数和(自身を含む): 30522336

約数和(自身を除く): 10657138

約数列:

[1, 2, 73, 103, 146, 206, 1321, 2642, 7519, 15038, 96433, 136063, 192866, 272126, 9932599, 19865198]

約数ペア:

[(1, 19865198), (2, 9932599), (73, 272126), (103, 192866), (146, 136063), (206, 96433), (1321, 15038), (2642, 7519)]