19497968

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1627}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 43604352

約数和(自身を除く): 24106384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1627, 1712, 2996, 3254, 5992, 6508, 11389, 11984, 13016, 22778, 26032, 45556, 91112, 174089, 182224, 348178, 696356, 1218623, 1392712, 2437246, 2785424, 4874492, 9748984, 19497968]

約数ペア:

[(1, 19497968), (2, 9748984), (4, 4874492), (7, 2785424), (8, 2437246), (14, 1392712), (16, 1218623), (28, 696356), (56, 348178), (107, 182224), (112, 174089), (214, 91112), (428, 45556), (749, 26032), (856, 22778), (1498, 13016), (1627, 11984), (1712, 11389), (2996, 6508), (3254, 5992)]