18553388

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 39036480

約数和(自身を除く): 20483092

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 73, 116, 146, 203, 292, 313, 406, 511, 626, 812, 1022, 1252, 2044, 2117, 2191, 4234, 4382, 8468, 8764, 9077, 14819, 18154, 22849, 29638, 36308, 45698, 59276, 63539, 91396, 127078, 159943, 254156, 319886, 639772, 662621, 1325242, 2650484, 4638347, 9276694, 18553388]

約数ペア:

[(1, 18553388), (2, 9276694), (4, 4638347), (7, 2650484), (14, 1325242), (28, 662621), (29, 639772), (58, 319886), (73, 254156), (116, 159943), (146, 127078), (203, 91396), (292, 63539), (313, 59276), (406, 45698), (511, 36308), (626, 29638), (812, 22849), (1022, 18154), (1252, 14819), (2044, 9077), (2117, 8764), (2191, 8468), (4234, 4382)]