19856816

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{10429}}^1$

素因数の和:10461

約数の個数: 40

約数和(自身を含む): 46559520

約数和(自身を除く): 26702704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 10429, 20858, 41716, 73003, 83432, 146006, 166864, 177293, 292012, 354586, 584024, 709172, 1168048, 1241051, 1418344, 2482102, 2836688, 4964204, 9928408, 19856816]

約数ペア:

[(1, 19856816), (2, 9928408), (4, 4964204), (7, 2836688), (8, 2482102), (14, 1418344), (16, 1241051), (17, 1168048), (28, 709172), (34, 584024), (56, 354586), (68, 292012), (112, 177293), (119, 166864), (136, 146006), (238, 83432), (272, 73003), (476, 41716), (952, 20858), (1904, 10429)]