18776925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4909}}^1$

素因数の和:4942

約数の個数: 36

約数和(自身を含む): 35617140

約数和(自身を除く): 16840215

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 4909, 14727, 24545, 44181, 73635, 83453, 122725, 220905, 250359, 368175, 417265, 751077, 1104525, 1251795, 2086325, 3755385, 6258975, 18776925]

約数ペア:

[(1, 18776925), (3, 6258975), (5, 3755385), (9, 2086325), (15, 1251795), (17, 1104525), (25, 751077), (45, 417265), (51, 368175), (75, 250359), (85, 220905), (153, 122725), (225, 83453), (255, 73635), (425, 44181), (765, 24545), (1275, 14727), (3825, 4909)]