18778869610

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{45802121}}^1$

素因数の和:45802169

約数の個数: 16

約数和(自身を含む): 34626404232

約数和(自身を除く): 15847534622

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 45802121, 91604242, 229010605, 458021210, 1877886961, 3755773922, 9389434805, 18778869610]

約数ペア:

[(1, 18778869610), (2, 9389434805), (5, 3755773922), (10, 1877886961), (41, 458021210), (82, 229010605), (205, 91604242), (410, 45802121)]