19006566340

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{639091}}^1$

素因数の和:640587

約数の個数: 24

約数和(自身を含む): 39940693632

約数和(自身を除く): 20934127292

約数列:

[1, 2, 4, 5, 10, 20, 1487, 2974, 5948, 7435, 14870, 29740, 639091, 1278182, 2556364, 3195455, 6390910, 12781820, 950328317, 1900656634, 3801313268, 4751641585, 9503283170, 19006566340]

約数ペア:

[(1, 19006566340), (2, 9503283170), (4, 4751641585), (5, 3801313268), (10, 1900656634), (20, 950328317), (1487, 12781820), (2974, 6390910), (5948, 3195455), (7435, 2556364), (14870, 1278182), (29740, 639091)]