19859130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{839}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 32032710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 263, 526, 789, 839, 1315, 1578, 1678, 2367, 2517, 2630, 3945, 4195, 4734, 5034, 7551, 7890, 8390, 11835, 12585, 15102, 23670, 25170, 37755, 75510, 220657, 441314, 661971, 1103285, 1323942, 1985913, 2206570, 3309855, 3971826, 6619710, 9929565, 19859130]

約数ペア:

[(1, 19859130), (2, 9929565), (3, 6619710), (5, 3971826), (6, 3309855), (9, 2206570), (10, 1985913), (15, 1323942), (18, 1103285), (30, 661971), (45, 441314), (90, 220657), (263, 75510), (526, 37755), (789, 25170), (839, 23670), (1315, 15102), (1578, 12585), (1678, 11835), (2367, 8390), (2517, 7890), (2630, 7551), (3945, 5034), (4195, 4734)]