19990450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17383}}^1$

素因数の和:17418

約数の個数: 24

約数和(自身を含む): 38801088

約数和(自身を除く): 18810638

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17383, 34766, 86915, 173830, 399809, 434575, 799618, 869150, 1999045, 3998090, 9995225, 19990450]

約数ペア:

[(1, 19990450), (2, 9995225), (5, 3998090), (10, 1999045), (23, 869150), (25, 799618), (46, 434575), (50, 399809), (115, 173830), (230, 86915), (575, 34766), (1150, 17383)]