19444390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1213}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 40207680

約数和(自身を除く): 20763290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 229, 458, 1145, 1213, 1603, 2290, 2426, 3206, 6065, 8015, 8491, 12130, 16030, 16982, 42455, 84910, 277777, 555554, 1388885, 1944439, 2777770, 3888878, 9722195, 19444390]

約数ペア:

[(1, 19444390), (2, 9722195), (5, 3888878), (7, 2777770), (10, 1944439), (14, 1388885), (35, 555554), (70, 277777), (229, 84910), (458, 42455), (1145, 16982), (1213, 16030), (1603, 12130), (2290, 8491), (2426, 8015), (3206, 6065)]