18216115

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 23411808

約数和(自身を除く): 5195693

約数列:

[1, 5, 23, 71, 97, 115, 355, 485, 529, 1633, 2231, 2645, 6887, 8165, 11155, 34435, 37559, 51313, 158401, 187795, 256565, 792005, 3643223, 18216115]

約数ペア:

[(1, 18216115), (5, 3643223), (23, 792005), (71, 256565), (97, 187795), (115, 158401), (355, 51313), (485, 37559), (529, 34435), (1633, 11155), (2231, 8165), (2645, 6887)]