19162740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18787}}^1$

素因数の和:18816

約数の個数: 48

約数和(自身を含む): 56814912

約数和(自身を除く): 37652172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18787, 37574, 56361, 75148, 93935, 112722, 187870, 225444, 281805, 319379, 375740, 563610, 638758, 958137, 1127220, 1277516, 1596895, 1916274, 3193790, 3832548, 4790685, 6387580, 9581370, 19162740]

約数ペア:

[(1, 19162740), (2, 9581370), (3, 6387580), (4, 4790685), (5, 3832548), (6, 3193790), (10, 1916274), (12, 1596895), (15, 1277516), (17, 1127220), (20, 958137), (30, 638758), (34, 563610), (51, 375740), (60, 319379), (68, 281805), (85, 225444), (102, 187870), (170, 112722), (204, 93935), (255, 75148), (340, 56361), (510, 37574), (1020, 18787)]