198996842

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{383}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 349332480

約数和(自身を除く): 150335638

約数列:

[1, 2, 11, 19, 22, 38, 113, 121, 209, 226, 242, 383, 418, 766, 1243, 2147, 2299, 2486, 4213, 4294, 4598, 7277, 8426, 13673, 14554, 23617, 27346, 43279, 46343, 47234, 80047, 86558, 92686, 160094, 259787, 476069, 519574, 822301, 880517, 952138, 1644602, 1761034, 5236759, 9045311, 10473518, 18090622, 99498421, 198996842]

約数ペア:

[(1, 198996842), (2, 99498421), (11, 18090622), (19, 10473518), (22, 9045311), (38, 5236759), (113, 1761034), (121, 1644602), (209, 952138), (226, 880517), (242, 822301), (383, 519574), (418, 476069), (766, 259787), (1243, 160094), (2147, 92686), (2299, 86558), (2486, 80047), (4213, 47234), (4294, 46343), (4598, 43279), (7277, 27346), (8426, 23617), (13673, 14554)]