19919096

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18572104

約数列:

[1, 2, 4, 8, 53, 106, 109, 212, 218, 424, 431, 436, 862, 872, 1724, 3448, 5777, 11554, 22843, 23108, 45686, 46216, 46979, 91372, 93958, 182744, 187916, 375832, 2489887, 4979774, 9959548, 19919096]

約数ペア:

[(1, 19919096), (2, 9959548), (4, 4979774), (8, 2489887), (53, 375832), (106, 187916), (109, 182744), (212, 93958), (218, 91372), (424, 46979), (431, 46216), (436, 45686), (862, 23108), (872, 22843), (1724, 11554), (3448, 5777)]