18885232

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69431}}^1$

素因数の和:69456

約数の個数: 20

約数和(自身を含む): 38743056

約数和(自身を除く): 19857824

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69431, 138862, 277724, 555448, 1110896, 1180327, 2360654, 4721308, 9442616, 18885232]

約数ペア:

[(1, 18885232), (2, 9442616), (4, 4721308), (8, 2360654), (16, 1180327), (17, 1110896), (34, 555448), (68, 277724), (136, 138862), (272, 69431)]