18639840985

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{769}}^1\times {\mathrm{42901}}^1$

素因数の和:43788

約数の個数: 16

約数和(自身を含む): 22595625360

約数和(自身を除く): 3955784375

約数列:

[1, 5, 113, 565, 769, 3845, 42901, 86897, 214505, 434485, 4847813, 24239065, 32990869, 164954345, 3727968197, 18639840985]

約数ペア:

[(1, 18639840985), (5, 3727968197), (113, 164954345), (565, 32990869), (769, 24239065), (3845, 4847813), (42901, 434485), (86897, 214505)]