19797390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{219971}}^1$

素因数の和:219984

約数の個数: 24

約数和(自身を含む): 51473448

約数和(自身を除く): 31676058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 219971, 439942, 659913, 1099855, 1319826, 1979739, 2199710, 3299565, 3959478, 6599130, 9898695, 19797390]

約数ペア:

[(1, 19797390), (2, 9898695), (3, 6599130), (5, 3959478), (6, 3299565), (9, 2199710), (10, 1979739), (15, 1319826), (18, 1099855), (30, 659913), (45, 439942), (90, 219971)]