20180936178

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{177091}}^1$

素因数の和:177599

約数の個数: 48

約数和(自身を含む): 47185809216

約数和(自身を除く): 27004873038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 487, 974, 1461, 2922, 4383, 6331, 8766, 12662, 18993, 37986, 56979, 113958, 177091, 354182, 531273, 1062546, 1593819, 2302183, 3187638, 4604366, 6906549, 13813098, 20719647, 41439294, 86243317, 172486634, 258729951, 517459902, 776189853, 1121163121, 1552379706, 2242326242, 3363489363, 6726978726, 10090468089, 20180936178]

約数ペア:

[(1, 20180936178), (2, 10090468089), (3, 6726978726), (6, 3363489363), (9, 2242326242), (13, 1552379706), (18, 1121163121), (26, 776189853), (39, 517459902), (78, 258729951), (117, 172486634), (234, 86243317), (487, 41439294), (974, 20719647), (1461, 13813098), (2922, 6906549), (4383, 4604366), (6331, 3187638), (8766, 2302183), (12662, 1593819), (18993, 1062546), (37986, 531273), (56979, 354182), (113958, 177091)]