18328040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26953}}^1$

素因数の和:26981

約数の個数: 32

約数和(自身を含む): 43665480

約数和(自身を除く): 25337440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26953, 53906, 107812, 134765, 215624, 269530, 458201, 539060, 916402, 1078120, 1832804, 2291005, 3665608, 4582010, 9164020, 18328040]

約数ペア:

[(1, 18328040), (2, 9164020), (4, 4582010), (5, 3665608), (8, 2291005), (10, 1832804), (17, 1078120), (20, 916402), (34, 539060), (40, 458201), (68, 269530), (85, 215624), (136, 134765), (170, 107812), (340, 53906), (680, 26953)]