19998783618

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{2681521}}^1$

素因数の和:2681650

約数の個数: 32

約数和(自身を含む): 44019865152

約数和(自身を除く): 24021081534

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 3729, 7458, 2681521, 5363042, 8044563, 16089126, 29496731, 58993462, 88490193, 176980386, 303011873, 606023746, 909035619, 1818071238, 3333130603, 6666261206, 9999391809, 19998783618]

約数ペア:

[(1, 19998783618), (2, 9999391809), (3, 6666261206), (6, 3333130603), (11, 1818071238), (22, 909035619), (33, 606023746), (66, 303011873), (113, 176980386), (226, 88490193), (339, 58993462), (678, 29496731), (1243, 16089126), (2486, 8044563), (3729, 5363042), (7458, 2681521)]