19960336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 45711360

約数和(自身を除く): 25751024

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 127, 152, 176, 188, 209, 254, 304, 376, 418, 508, 517, 752, 836, 893, 1016, 1034, 1397, 1672, 1786, 2032, 2068, 2413, 2794, 3344, 3572, 4136, 4826, 5588, 5969, 7144, 8272, 9652, 9823, 11176, 11938, 14288, 19304, 19646, 22352, 23876, 26543, 38608, 39292, 47752, 53086, 65659, 78584, 95504, 106172, 113411, 131318, 157168, 212344, 226822, 262636, 424688, 453644, 525272, 907288, 1050544, 1247521, 1814576, 2495042, 4990084, 9980168, 19960336]

約数ペア:

[(1, 19960336), (2, 9980168), (4, 4990084), (8, 2495042), (11, 1814576), (16, 1247521), (19, 1050544), (22, 907288), (38, 525272), (44, 453644), (47, 424688), (76, 262636), (88, 226822), (94, 212344), (127, 157168), (152, 131318), (176, 113411), (188, 106172), (209, 95504), (254, 78584), (304, 65659), (376, 53086), (418, 47752), (508, 39292), (517, 38608), (752, 26543), (836, 23876), (893, 22352), (1016, 19646), (1034, 19304), (1397, 14288), (1672, 11938), (1786, 11176), (2032, 9823), (2068, 9652), (2413, 8272), (2794, 7144), (3344, 5969), (3572, 5588), (4136, 4826)]