18900294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 46365696

約数和(自身を除く): 27465402

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 103, 119, 206, 238, 257, 309, 357, 514, 618, 714, 721, 771, 1442, 1542, 1751, 1799, 2163, 3502, 3598, 4326, 4369, 5253, 5397, 8738, 10506, 10794, 12257, 13107, 24514, 26214, 26471, 30583, 36771, 52942, 61166, 73542, 79413, 91749, 158826, 183498, 185297, 370594, 450007, 555891, 900014, 1111782, 1350021, 2700042, 3150049, 6300098, 9450147, 18900294]

約数ペア:

[(1, 18900294), (2, 9450147), (3, 6300098), (6, 3150049), (7, 2700042), (14, 1350021), (17, 1111782), (21, 900014), (34, 555891), (42, 450007), (51, 370594), (102, 185297), (103, 183498), (119, 158826), (206, 91749), (238, 79413), (257, 73542), (309, 61166), (357, 52942), (514, 36771), (618, 30583), (714, 26471), (721, 26214), (771, 24514), (1442, 13107), (1542, 12257), (1751, 10794), (1799, 10506), (2163, 8738), (3502, 5397), (3598, 5253), (4326, 4369)]