19992255156

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{73351}}^1$

素因数の和:73541

約数の個数: 72

約数和(自身を含む): 51744848064

約数和(自身を除く): 31752592908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 113, 134, 201, 226, 268, 339, 402, 452, 603, 678, 804, 1017, 1206, 1356, 2034, 2412, 4068, 7571, 15142, 22713, 30284, 45426, 68139, 73351, 90852, 136278, 146702, 220053, 272556, 293404, 440106, 660159, 880212, 1320318, 2640636, 4914517, 8288663, 9829034, 14743551, 16577326, 19658068, 24865989, 29487102, 33154652, 44230653, 49731978, 58974204, 74597967, 88461306, 99463956, 149195934, 176922612, 298391868, 555340421, 1110680842, 1666021263, 2221361684, 3332042526, 4998063789, 6664085052, 9996127578, 19992255156]

約数ペア:

[(1, 19992255156), (2, 9996127578), (3, 6664085052), (4, 4998063789), (6, 3332042526), (9, 2221361684), (12, 1666021263), (18, 1110680842), (36, 555340421), (67, 298391868), (113, 176922612), (134, 149195934), (201, 99463956), (226, 88461306), (268, 74597967), (339, 58974204), (402, 49731978), (452, 44230653), (603, 33154652), (678, 29487102), (804, 24865989), (1017, 19658068), (1206, 16577326), (1356, 14743551), (2034, 9829034), (2412, 8288663), (4068, 4914517), (7571, 2640636), (15142, 1320318), (22713, 880212), (30284, 660159), (45426, 440106), (68139, 293404), (73351, 272556), (90852, 220053), (136278, 146702)]