18169168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1013}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 37720800

約数和(自身を除く): 19551632

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1013, 1121, 2026, 2242, 4052, 4484, 8104, 8968, 16208, 17936, 19247, 38494, 59767, 76988, 119534, 153976, 239068, 307952, 478136, 956272, 1135573, 2271146, 4542292, 9084584, 18169168]

約数ペア:

[(1, 18169168), (2, 9084584), (4, 4542292), (8, 2271146), (16, 1135573), (19, 956272), (38, 478136), (59, 307952), (76, 239068), (118, 153976), (152, 119534), (236, 76988), (304, 59767), (472, 38494), (944, 19247), (1013, 17936), (1121, 16208), (2026, 8968), (2242, 8104), (4052, 4484)]