19773068

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1277}}^1$

素因数の和:1374

約数の個数: 36

約数和(自身を含む): 40793760

約数和(自身を除く): 21020692

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1277, 2212, 2554, 3871, 5108, 7742, 8939, 15484, 17878, 35756, 62573, 100883, 125146, 201766, 250292, 403532, 706181, 1412362, 2824724, 4943267, 9886534, 19773068]

約数ペア:

[(1, 19773068), (2, 9886534), (4, 4943267), (7, 2824724), (14, 1412362), (28, 706181), (49, 403532), (79, 250292), (98, 201766), (158, 125146), (196, 100883), (316, 62573), (553, 35756), (1106, 17878), (1277, 15484), (2212, 8939), (2554, 7742), (3871, 5108)]