18882019936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{64019}}^1$

素因数の和:64751

約数の個数: 48

約数和(自身を含む): 40090604400

約数和(自身を除く): 21208584464

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 709, 1418, 2836, 5672, 9217, 11344, 18434, 22688, 36868, 64019, 73736, 128038, 147472, 256076, 294944, 512152, 832247, 1024304, 1664494, 2048608, 3328988, 6657976, 13315952, 26631904, 45389471, 90778942, 181557884, 363115768, 590063123, 726231536, 1180126246, 1452463072, 2360252492, 4720504984, 9441009968, 18882019936]

約数ペア:

[(1, 18882019936), (2, 9441009968), (4, 4720504984), (8, 2360252492), (13, 1452463072), (16, 1180126246), (26, 726231536), (32, 590063123), (52, 363115768), (104, 181557884), (208, 90778942), (416, 45389471), (709, 26631904), (1418, 13315952), (2836, 6657976), (5672, 3328988), (9217, 2048608), (11344, 1664494), (18434, 1024304), (22688, 832247), (36868, 512152), (64019, 294944), (73736, 256076), (128038, 147472)]