19120725

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2179}}^1$

素因数の和:2211

約数の個数: 48

約数和(自身を含む): 37844800

約数和(自身を除く): 18724075

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2179, 2925, 6537, 8775, 10895, 19611, 28327, 32685, 54475, 58833, 84981, 98055, 141635, 163425, 254943, 294165, 424905, 490275, 708175, 764829, 1274715, 1470825, 2124525, 3824145, 6373575, 19120725]

約数ペア:

[(1, 19120725), (3, 6373575), (5, 3824145), (9, 2124525), (13, 1470825), (15, 1274715), (25, 764829), (27, 708175), (39, 490275), (45, 424905), (65, 294165), (75, 254943), (117, 163425), (135, 141635), (195, 98055), (225, 84981), (325, 58833), (351, 54475), (585, 32685), (675, 28327), (975, 19611), (1755, 10895), (2179, 8775), (2925, 6537)]