19772191896

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{73907}}^1$

素因数の和:74144

約数の個数: 64

約数和(自身を含む): 50446644480

約数和(自身を除く): 30674452584

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 157, 213, 284, 314, 426, 471, 568, 628, 852, 942, 1256, 1704, 1884, 3768, 11147, 22294, 33441, 44588, 66882, 73907, 89176, 133764, 147814, 221721, 267528, 295628, 443442, 591256, 886884, 1773768, 5247397, 10494794, 11603399, 15742191, 20989588, 23206798, 31484382, 34810197, 41979176, 46413596, 62968764, 69620394, 92827192, 125937528, 139240788, 278481576, 823841329, 1647682658, 2471523987, 3295365316, 4943047974, 6590730632, 9886095948, 19772191896]

約数ペア:

[(1, 19772191896), (2, 9886095948), (3, 6590730632), (4, 4943047974), (6, 3295365316), (8, 2471523987), (12, 1647682658), (24, 823841329), (71, 278481576), (142, 139240788), (157, 125937528), (213, 92827192), (284, 69620394), (314, 62968764), (426, 46413596), (471, 41979176), (568, 34810197), (628, 31484382), (852, 23206798), (942, 20989588), (1256, 15742191), (1704, 11603399), (1884, 10494794), (3768, 5247397), (11147, 1773768), (22294, 886884), (33441, 591256), (44588, 443442), (66882, 295628), (73907, 267528), (89176, 221721), (133764, 147814)]