18866580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 53028864

約数和(自身を除く): 34162284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 383, 766, 821, 1149, 1532, 1642, 1915, 2298, 2463, 3284, 3830, 4105, 4596, 4926, 5745, 7660, 8210, 9852, 11490, 12315, 16420, 22980, 24630, 49260, 314443, 628886, 943329, 1257772, 1572215, 1886658, 3144430, 3773316, 4716645, 6288860, 9433290, 18866580]

約数ペア:

[(1, 18866580), (2, 9433290), (3, 6288860), (4, 4716645), (5, 3773316), (6, 3144430), (10, 1886658), (12, 1572215), (15, 1257772), (20, 943329), (30, 628886), (60, 314443), (383, 49260), (766, 24630), (821, 22980), (1149, 16420), (1532, 12315), (1642, 11490), (1915, 9852), (2298, 8210), (2463, 7660), (3284, 5745), (3830, 4926), (4105, 4596)]