19290660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7477}}^1$

素因数の和:7532

約数の個数: 48

約数和(自身を含む): 55277376

約数和(自身を除く): 35986716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7477, 14954, 22431, 29908, 37385, 44862, 74770, 89724, 112155, 149540, 224310, 321511, 448620, 643022, 964533, 1286044, 1607555, 1929066, 3215110, 3858132, 4822665, 6430220, 9645330, 19290660]

約数ペア:

[(1, 19290660), (2, 9645330), (3, 6430220), (4, 4822665), (5, 3858132), (6, 3215110), (10, 1929066), (12, 1607555), (15, 1286044), (20, 964533), (30, 643022), (43, 448620), (60, 321511), (86, 224310), (129, 149540), (172, 112155), (215, 89724), (258, 74770), (430, 44862), (516, 37385), (645, 29908), (860, 22431), (1290, 14954), (2580, 7477)]