18780266

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:637

約数の個数: 16

約数和(自身を含む): 28574208

約数和(自身を除く): 9793942

約数列:

[1, 2, 191, 211, 233, 382, 422, 466, 40301, 44503, 49163, 80602, 89006, 98326, 9390133, 18780266]

約数ペア:

[(1, 18780266), (2, 9390133), (191, 98326), (211, 89006), (233, 80602), (382, 49163), (422, 44503), (466, 40301)]