19886776

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{463}}^1$

素因数の和:548

約数の個数: 64

約数和(自身を含む): 46771200

約数和(自身を除く): 26884424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 463, 472, 728, 767, 826, 926, 1534, 1652, 1852, 3068, 3241, 3304, 3704, 5369, 6019, 6136, 6482, 10738, 12038, 12964, 21476, 24076, 25928, 27317, 42133, 42952, 48152, 54634, 84266, 109268, 168532, 191219, 218536, 337064, 355121, 382438, 710242, 764876, 1420484, 1529752, 2485847, 2840968, 4971694, 9943388, 19886776]

約数ペア:

[(1, 19886776), (2, 9943388), (4, 4971694), (7, 2840968), (8, 2485847), (13, 1529752), (14, 1420484), (26, 764876), (28, 710242), (52, 382438), (56, 355121), (59, 337064), (91, 218536), (104, 191219), (118, 168532), (182, 109268), (236, 84266), (364, 54634), (413, 48152), (463, 42952), (472, 42133), (728, 27317), (767, 25928), (826, 24076), (926, 21476), (1534, 12964), (1652, 12038), (1852, 10738), (3068, 6482), (3241, 6136), (3304, 6019), (3704, 5369)]