19264040

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1201}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 43488360

約数和(自身を除く): 24224320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1201, 1604, 2005, 2402, 3208, 4010, 4804, 6005, 8020, 9608, 12010, 16040, 24020, 48040, 481601, 963202, 1926404, 2408005, 3852808, 4816010, 9632020, 19264040]

約数ペア:

[(1, 19264040), (2, 9632020), (4, 4816010), (5, 3852808), (8, 2408005), (10, 1926404), (20, 963202), (40, 481601), (401, 48040), (802, 24020), (1201, 16040), (1604, 12010), (2005, 9608), (2402, 8020), (3208, 6005), (4010, 4804)]