19234480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14143}}^1$

素因数の和:14173

約数の個数: 40

約数和(自身を含む): 47354112

約数和(自身を除く): 28119632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14143, 28286, 56572, 70715, 113144, 141430, 226288, 240431, 282860, 480862, 565720, 961724, 1131440, 1202155, 1923448, 2404310, 3846896, 4808620, 9617240, 19234480]

約数ペア:

[(1, 19234480), (2, 9617240), (4, 4808620), (5, 3846896), (8, 2404310), (10, 1923448), (16, 1202155), (17, 1131440), (20, 961724), (34, 565720), (40, 480862), (68, 282860), (80, 240431), (85, 226288), (136, 141430), (170, 113144), (272, 70715), (340, 56572), (680, 28286), (1360, 14143)]