19862860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24223}}^1$

素因数の和:24273

約数の個数: 24

約数和(自身を含む): 42731136

約数和(自身を除く): 22868276

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24223, 48446, 96892, 121115, 242230, 484460, 993143, 1986286, 3972572, 4965715, 9931430, 19862860]

約数ペア:

[(1, 19862860), (2, 9931430), (4, 4965715), (5, 3972572), (10, 1986286), (20, 993143), (41, 484460), (82, 242230), (164, 121115), (205, 96892), (410, 48446), (820, 24223)]