19993048642

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{17977}}^1$

素因数の和:18155

約数の個数: 64

約数和(自身を含む): 37382734080

約数和(自身を除く): 17389685438

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 113, 133, 226, 259, 266, 518, 703, 791, 1406, 1582, 2147, 4181, 4294, 4921, 8362, 9842, 15029, 17977, 29267, 30058, 35954, 58534, 79439, 125839, 158878, 251678, 341563, 556073, 665149, 683126, 1112146, 1330298, 2031401, 2390941, 4062802, 4656043, 4781882, 9312086, 12637831, 14219807, 25275662, 28439614, 38596619, 75161837, 77193238, 88464817, 150323674, 176929634, 270176333, 526132859, 540352666, 1052265718, 1428074903, 2856149806, 9996524321, 19993048642]

約数ペア:

[(1, 19993048642), (2, 9996524321), (7, 2856149806), (14, 1428074903), (19, 1052265718), (37, 540352666), (38, 526132859), (74, 270176333), (113, 176929634), (133, 150323674), (226, 88464817), (259, 77193238), (266, 75161837), (518, 38596619), (703, 28439614), (791, 25275662), (1406, 14219807), (1582, 12637831), (2147, 9312086), (4181, 4781882), (4294, 4656043), (4921, 4062802), (8362, 2390941), (9842, 2031401), (15029, 1330298), (17977, 1112146), (29267, 683126), (30058, 665149), (35954, 556073), (58534, 341563), (79439, 251678), (125839, 158878)]