19665460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42751}}^1$

素因数の和:42783

約数の個数: 24

約数和(自身を含む): 43094016

約数和(自身を除く): 23428556

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 42751, 85502, 171004, 213755, 427510, 855020, 983273, 1966546, 3933092, 4916365, 9832730, 19665460]

約数ペア:

[(1, 19665460), (2, 9832730), (4, 4916365), (5, 3933092), (10, 1966546), (20, 983273), (23, 855020), (46, 427510), (92, 213755), (115, 171004), (230, 85502), (460, 42751)]