18823216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{69203}}^1$

素因数の和:69228

約数の個数: 20

約数和(自身を含む): 38615832

約数和(自身を除く): 19792616

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 69203, 138406, 276812, 553624, 1107248, 1176451, 2352902, 4705804, 9411608, 18823216]

約数ペア:

[(1, 18823216), (2, 9411608), (4, 4705804), (8, 2352902), (16, 1176451), (17, 1107248), (34, 553624), (68, 276812), (136, 138406), (272, 69203)]