19680102

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2713}}^1$

素因数の和:2765

約数の個数: 48

約数和(自身を含む): 47419008

約数和(自身を除く): 27738906

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2713, 3627, 5426, 7254, 8139, 16278, 24417, 35269, 48834, 70538, 84103, 105807, 168206, 211614, 252309, 317421, 504618, 634842, 756927, 1093339, 1513854, 2186678, 3280017, 6560034, 9840051, 19680102]

約数ペア:

[(1, 19680102), (2, 9840051), (3, 6560034), (6, 3280017), (9, 2186678), (13, 1513854), (18, 1093339), (26, 756927), (31, 634842), (39, 504618), (62, 317421), (78, 252309), (93, 211614), (117, 168206), (186, 105807), (234, 84103), (279, 70538), (403, 48834), (558, 35269), (806, 24417), (1209, 16278), (2418, 8139), (2713, 7254), (3627, 5426)]