18141040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13339}}^1$

素因数の和:13369

約数の個数: 40

約数和(自身を含む): 44662320

約数和(自身を除く): 26521280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13339, 26678, 53356, 66695, 106712, 133390, 213424, 226763, 266780, 453526, 533560, 907052, 1067120, 1133815, 1814104, 2267630, 3628208, 4535260, 9070520, 18141040]

約数ペア:

[(1, 18141040), (2, 9070520), (4, 4535260), (5, 3628208), (8, 2267630), (10, 1814104), (16, 1133815), (17, 1067120), (20, 907052), (34, 533560), (40, 453526), (68, 266780), (80, 226763), (85, 213424), (136, 133390), (170, 106712), (272, 66695), (340, 53356), (680, 26678), (1360, 13339)]