19170040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 26656520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 115, 134, 184, 230, 268, 311, 335, 460, 536, 622, 670, 920, 1244, 1340, 1541, 1555, 2488, 2680, 3082, 3110, 6164, 6220, 7153, 7705, 12328, 12440, 14306, 15410, 20837, 28612, 30820, 35765, 41674, 57224, 61640, 71530, 83348, 104185, 143060, 166696, 208370, 286120, 416740, 479251, 833480, 958502, 1917004, 2396255, 3834008, 4792510, 9585020, 19170040]

約数ペア:

[(1, 19170040), (2, 9585020), (4, 4792510), (5, 3834008), (8, 2396255), (10, 1917004), (20, 958502), (23, 833480), (40, 479251), (46, 416740), (67, 286120), (92, 208370), (115, 166696), (134, 143060), (184, 104185), (230, 83348), (268, 71530), (311, 61640), (335, 57224), (460, 41674), (536, 35765), (622, 30820), (670, 28612), (920, 20837), (1244, 15410), (1340, 14306), (1541, 12440), (1555, 12328), (2488, 7705), (2680, 7153), (3082, 6220), (3110, 6164)]