18453965

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 22654080

約数和(自身を除く): 4200115

約数列:

[1, 5, 71, 227, 229, 355, 1135, 1145, 16117, 16259, 51983, 80585, 81295, 259915, 3690793, 18453965]

約数ペア:

[(1, 18453965), (5, 3690793), (71, 259915), (227, 81295), (229, 80585), (355, 51983), (1135, 16259), (1145, 16117)]