19861420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43177}}^1$

素因数の和:43209

約数の個数: 24

約数和(自身を含む): 43523424

約数和(自身を除く): 23662004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43177, 86354, 172708, 215885, 431770, 863540, 993071, 1986142, 3972284, 4965355, 9930710, 19861420]

約数ペア:

[(1, 19861420), (2, 9930710), (4, 4965355), (5, 3972284), (10, 1986142), (20, 993071), (23, 863540), (46, 431770), (92, 215885), (115, 172708), (230, 86354), (460, 43177)]