18912540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{823}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 53157888

約数和(自身を除く): 34245348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 823, 1149, 1532, 1646, 1915, 2298, 2469, 3292, 3830, 4115, 4596, 4938, 5745, 7660, 8230, 9876, 11490, 12345, 16460, 22980, 24690, 49380, 315209, 630418, 945627, 1260836, 1576045, 1891254, 3152090, 3782508, 4728135, 6304180, 9456270, 18912540]

約数ペア:

[(1, 18912540), (2, 9456270), (3, 6304180), (4, 4728135), (5, 3782508), (6, 3152090), (10, 1891254), (12, 1576045), (15, 1260836), (20, 945627), (30, 630418), (60, 315209), (383, 49380), (766, 24690), (823, 22980), (1149, 16460), (1532, 12345), (1646, 11490), (1915, 9876), (2298, 8230), (2469, 7660), (3292, 5745), (3830, 4938), (4115, 4596)]