19369845

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 17695755

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 109, 165, 327, 359, 495, 545, 981, 1077, 1199, 1635, 1795, 3231, 3597, 3949, 4905, 5385, 5995, 10791, 11847, 16155, 17985, 19745, 35541, 39131, 53955, 59235, 117393, 177705, 195655, 352179, 430441, 586965, 1291323, 1760895, 2152205, 3873969, 6456615, 19369845]

約数ペア:

[(1, 19369845), (3, 6456615), (5, 3873969), (9, 2152205), (11, 1760895), (15, 1291323), (33, 586965), (45, 430441), (55, 352179), (99, 195655), (109, 177705), (165, 117393), (327, 59235), (359, 53955), (495, 39131), (545, 35541), (981, 19745), (1077, 17985), (1199, 16155), (1635, 11847), (1795, 10791), (3231, 5995), (3597, 5385), (3949, 4905)]