18220557

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:704

約数の個数: 16

約数和(自身を含む): 24860160

約数和(自身を除く): 6639603

約数列:

[1, 3, 59, 177, 311, 331, 933, 993, 18349, 19529, 55047, 58587, 102941, 308823, 6073519, 18220557]

約数ペア:

[(1, 18220557), (3, 6073519), (59, 308823), (177, 102941), (311, 58587), (331, 55047), (933, 19529), (993, 18349)]