19336840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2531}}^1$

素因数の和:2733

約数の個数: 32

約数和(自身を含む): 43752960

約数和(自身を除く): 24416120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2531, 3820, 5062, 7640, 10124, 12655, 20248, 25310, 50620, 101240, 483421, 966842, 1933684, 2417105, 3867368, 4834210, 9668420, 19336840]

約数ペア:

[(1, 19336840), (2, 9668420), (4, 4834210), (5, 3867368), (8, 2417105), (10, 1933684), (20, 966842), (40, 483421), (191, 101240), (382, 50620), (764, 25310), (955, 20248), (1528, 12655), (1910, 10124), (2531, 7640), (3820, 5062)]