18738215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 23666688

約数和(自身を除く): 4928473

約数列:

[1, 5, 23, 115, 127, 635, 1283, 2921, 6415, 14605, 29509, 147545, 162941, 814705, 3747643, 18738215]

約数ペア:

[(1, 18738215), (5, 3747643), (23, 814705), (115, 162941), (127, 147545), (635, 29509), (1283, 14605), (2921, 6415)]