19409265

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 15971535

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 107, 139, 145, 261, 321, 417, 435, 535, 695, 963, 1251, 1305, 1605, 2085, 3103, 4031, 4815, 6255, 9309, 12093, 14873, 15515, 20155, 27927, 36279, 44619, 46545, 60465, 74365, 133857, 139635, 181395, 223095, 431317, 669285, 1293951, 2156585, 3881853, 6469755, 19409265]

約数ペア:

[(1, 19409265), (3, 6469755), (5, 3881853), (9, 2156585), (15, 1293951), (29, 669285), (45, 431317), (87, 223095), (107, 181395), (139, 139635), (145, 133857), (261, 74365), (321, 60465), (417, 46545), (435, 44619), (535, 36279), (695, 27927), (963, 20155), (1251, 15515), (1305, 14873), (1605, 12093), (2085, 9309), (3103, 6255), (4031, 4815)]