18730736

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68863}}^1$

素因数の和:68888

約数の個数: 20

約数和(自身を含む): 38426112

約数和(自身を除く): 19695376

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68863, 137726, 275452, 550904, 1101808, 1170671, 2341342, 4682684, 9365368, 18730736]

約数ペア:

[(1, 18730736), (2, 9365368), (4, 4682684), (8, 2341342), (16, 1170671), (17, 1101808), (34, 550904), (68, 275452), (136, 137726), (272, 68863)]