18381403

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 16

約数和(自身を含む): 20067264

約数和(自身を除く): 1685861

約数列:

[1, 17, 71, 97, 157, 1207, 1649, 2669, 6887, 11147, 15229, 117079, 189499, 258893, 1081259, 18381403]

約数ペア:

[(1, 18381403), (17, 1081259), (71, 258893), (97, 189499), (157, 117079), (1207, 15229), (1649, 11147), (2669, 6887)]