19165720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68449}}^1$

素因数の和:68467

約数の個数: 32

約数和(自身を含む): 49284000

約数和(自身を除く): 30118280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68449, 136898, 273796, 342245, 479143, 547592, 684490, 958286, 1368980, 1916572, 2395715, 2737960, 3833144, 4791430, 9582860, 19165720]

約数ペア:

[(1, 19165720), (2, 9582860), (4, 4791430), (5, 3833144), (7, 2737960), (8, 2395715), (10, 1916572), (14, 1368980), (20, 958286), (28, 684490), (35, 547592), (40, 479143), (56, 342245), (70, 273796), (140, 136898), (280, 68449)]