18137253

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 6699867

約数列:

[1, 3, 47, 141, 307, 419, 921, 1257, 14429, 19693, 43287, 59079, 128633, 385899, 6045751, 18137253]

約数ペア:

[(1, 18137253), (3, 6045751), (47, 385899), (141, 128633), (307, 59079), (419, 43287), (921, 19693), (1257, 14429)]