19899184

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5431}}^1$

素因数の和:5668

約数の個数: 20

約数和(自身を含む): 38730160

約数和(自身を除く): 18830976

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5431, 10862, 21724, 43448, 86896, 1243699, 2487398, 4974796, 9949592, 19899184]

約数ペア:

[(1, 19899184), (2, 9949592), (4, 4974796), (8, 2487398), (16, 1243699), (229, 86896), (458, 43448), (916, 21724), (1832, 10862), (3664, 5431)]