18432080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13553}}^1$

素因数の和:13583

約数の個数: 40

約数和(自身を含む): 45378792

約数和(自身を除く): 26946712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13553, 27106, 54212, 67765, 108424, 135530, 216848, 230401, 271060, 460802, 542120, 921604, 1084240, 1152005, 1843208, 2304010, 3686416, 4608020, 9216040, 18432080]

約数ペア:

[(1, 18432080), (2, 9216040), (4, 4608020), (5, 3686416), (8, 2304010), (10, 1843208), (16, 1152005), (17, 1084240), (20, 921604), (34, 542120), (40, 460802), (68, 271060), (80, 230401), (85, 216848), (136, 135530), (170, 108424), (272, 67765), (340, 54212), (680, 27106), (1360, 13553)]