1900984789

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 2219443200

約数和(自身を除く): 318458411

約数列:

[1, 11, 19, 103, 209, 233, 379, 1133, 1957, 2563, 4169, 4427, 7201, 21527, 23999, 39037, 48697, 79211, 88307, 263989, 429407, 455981, 741703, 971377, 1677833, 5015791, 8158733, 9095621, 18456163, 100051831, 172816799, 1900984789]

約数ペア:

[(1, 1900984789), (11, 172816799), (19, 100051831), (103, 18456163), (209, 9095621), (233, 8158733), (379, 5015791), (1133, 1677833), (1957, 971377), (2563, 741703), (4169, 455981), (4427, 429407), (7201, 263989), (21527, 88307), (23999, 79211), (39037, 48697)]