19015840

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 45270792

約数和(自身を除く): 26254952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 628, 757, 785, 1256, 1514, 1570, 2512, 3028, 3140, 3785, 5024, 6056, 6280, 7570, 12112, 12560, 15140, 24224, 25120, 30280, 60560, 118849, 121120, 237698, 475396, 594245, 950792, 1188490, 1901584, 2376980, 3803168, 4753960, 9507920, 19015840]

約数ペア:

[(1, 19015840), (2, 9507920), (4, 4753960), (5, 3803168), (8, 2376980), (10, 1901584), (16, 1188490), (20, 950792), (32, 594245), (40, 475396), (80, 237698), (157, 121120), (160, 118849), (314, 60560), (628, 30280), (757, 25120), (785, 24224), (1256, 15140), (1514, 12560), (1570, 12112), (2512, 7570), (3028, 6280), (3140, 6056), (3785, 5024)]