19011760

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2221}}^1$

素因数の和:2341

約数の個数: 40

約数和(自身を含む): 44635536

約数和(自身を除く): 25623776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 2221, 4280, 4442, 8560, 8884, 11105, 17768, 22210, 35536, 44420, 88840, 177680, 237647, 475294, 950588, 1188235, 1901176, 2376470, 3802352, 4752940, 9505880, 19011760]

約数ペア:

[(1, 19011760), (2, 9505880), (4, 4752940), (5, 3802352), (8, 2376470), (10, 1901176), (16, 1188235), (20, 950588), (40, 475294), (80, 237647), (107, 177680), (214, 88840), (428, 44420), (535, 35536), (856, 22210), (1070, 17768), (1712, 11105), (2140, 8884), (2221, 8560), (4280, 4442)]