19293320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:414

約数の個数: 64

約数和(自身を含む): 46120320

約数和(自身を除く): 26827000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 313, 335, 460, 536, 626, 670, 920, 1252, 1340, 1541, 1565, 2504, 2680, 3082, 3130, 6164, 6260, 7199, 7705, 12328, 12520, 14398, 15410, 20971, 28796, 30820, 35995, 41942, 57592, 61640, 71990, 83884, 104855, 143980, 167768, 209710, 287960, 419420, 482333, 838840, 964666, 1929332, 2411665, 3858664, 4823330, 9646660, 19293320]

約数ペア:

[(1, 19293320), (2, 9646660), (4, 4823330), (5, 3858664), (8, 2411665), (10, 1929332), (20, 964666), (23, 838840), (40, 482333), (46, 419420), (67, 287960), (92, 209710), (115, 167768), (134, 143980), (184, 104855), (230, 83884), (268, 71990), (313, 61640), (335, 57592), (460, 41942), (536, 35995), (626, 30820), (670, 28796), (920, 20971), (1252, 15410), (1340, 14398), (1541, 12520), (1565, 12328), (2504, 7705), (2680, 7199), (3082, 6260), (3130, 6164)]