19492068740

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1\times {\mathrm{13963}}^1$

素因数の和:14508

約数の個数: 48

約数和(自身を含む): 41251219968

約数和(自身を除く): 21759151228

約数列:

[1, 2, 4, 5, 10, 20, 223, 313, 446, 626, 892, 1115, 1252, 1565, 2230, 3130, 4460, 6260, 13963, 27926, 55852, 69799, 69815, 139598, 139630, 279196, 279260, 348995, 697990, 1395980, 3113749, 4370419, 6227498, 8740838, 12454996, 15568745, 17481676, 21852095, 31137490, 43704190, 62274980, 87408380, 974603437, 1949206874, 3898413748, 4873017185, 9746034370, 19492068740]

約数ペア:

[(1, 19492068740), (2, 9746034370), (4, 4873017185), (5, 3898413748), (10, 1949206874), (20, 974603437), (223, 87408380), (313, 62274980), (446, 43704190), (626, 31137490), (892, 21852095), (1115, 17481676), (1252, 15568745), (1565, 12454996), (2230, 8740838), (3130, 6227498), (4460, 4370419), (6260, 3113749), (13963, 1395980), (27926, 697990), (55852, 348995), (69799, 279260), (69815, 279196), (139598, 139630)]