18517019906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{11801}}^1$

素因数の和:12287

約数の個数: 64

約数和(自身を含む): 36219488256

約数和(自身を除く): 17702468350

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 443, 506, 886, 1771, 3101, 3542, 4873, 6202, 9746, 10189, 11801, 20378, 23602, 34111, 68222, 71323, 82607, 112079, 129811, 142646, 165214, 224158, 259622, 271423, 542846, 784553, 908677, 1569106, 1817354, 1899961, 2985653, 3799922, 5227843, 5971306, 10455686, 20899571, 36594901, 41799142, 57506273, 73189802, 115012546, 120240389, 240480778, 402543911, 805087822, 841682723, 1322644279, 1683365446, 2645288558, 9258509953, 18517019906]

約数ペア:

[(1, 18517019906), (2, 9258509953), (7, 2645288558), (11, 1683365446), (14, 1322644279), (22, 841682723), (23, 805087822), (46, 402543911), (77, 240480778), (154, 120240389), (161, 115012546), (253, 73189802), (322, 57506273), (443, 41799142), (506, 36594901), (886, 20899571), (1771, 10455686), (3101, 5971306), (3542, 5227843), (4873, 3799922), (6202, 2985653), (9746, 1899961), (10189, 1817354), (11801, 1569106), (20378, 908677), (23602, 784553), (34111, 542846), (68222, 271423), (71323, 259622), (82607, 224158), (112079, 165214), (129811, 142646)]