19016240

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{509}}^1$

素因数の和:989

約数の個数: 40

約数和(自身を含む): 44394480

約数和(自身を除く): 25378240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 509, 934, 1018, 1868, 2036, 2335, 2545, 3736, 4072, 4670, 5090, 7472, 8144, 9340, 10180, 18680, 20360, 37360, 40720, 237703, 475406, 950812, 1188515, 1901624, 2377030, 3803248, 4754060, 9508120, 19016240]

約数ペア:

[(1, 19016240), (2, 9508120), (4, 4754060), (5, 3803248), (8, 2377030), (10, 1901624), (16, 1188515), (20, 950812), (40, 475406), (80, 237703), (467, 40720), (509, 37360), (934, 20360), (1018, 18680), (1868, 10180), (2036, 9340), (2335, 8144), (2545, 7472), (3736, 5090), (4072, 4670)]