19660147218

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{25400707}}^1$

素因数の和:25400758

約数の個数: 24

約数和(自身を含む): 43587614928

約数和(自身を除く): 23927467710

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 25400707, 50801414, 76202121, 152404242, 228606363, 457212726, 1092230401, 2184460802, 3276691203, 6553382406, 9830073609, 19660147218]

約数ペア:

[(1, 19660147218), (2, 9830073609), (3, 6553382406), (6, 3276691203), (9, 2184460802), (18, 1092230401), (43, 457212726), (86, 228606363), (129, 152404242), (258, 76202121), (387, 50801414), (774, 25400707)]