18172760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19753}}^1$

素因数の和:19787

約数の個数: 32

約数和(自身を含む): 42668640

約数和(自身を除く): 24495880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19753, 39506, 79012, 98765, 158024, 197530, 395060, 454319, 790120, 908638, 1817276, 2271595, 3634552, 4543190, 9086380, 18172760]

約数ペア:

[(1, 18172760), (2, 9086380), (4, 4543190), (5, 3634552), (8, 2271595), (10, 1817276), (20, 908638), (23, 790120), (40, 454319), (46, 395060), (92, 197530), (115, 158024), (184, 98765), (230, 79012), (460, 39506), (920, 19753)]