19955824

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 28041104

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 223, 238, 272, 329, 376, 446, 476, 658, 752, 799, 892, 952, 1316, 1561, 1598, 1784, 1904, 2632, 3122, 3196, 3568, 3791, 5264, 5593, 6244, 6392, 7582, 10481, 11186, 12488, 12784, 15164, 20962, 22372, 24976, 26537, 30328, 41924, 44744, 53074, 60656, 73367, 83848, 89488, 106148, 146734, 167696, 178177, 212296, 293468, 356354, 424592, 586936, 712708, 1173872, 1247239, 1425416, 2494478, 2850832, 4988956, 9977912, 19955824]

約数ペア:

[(1, 19955824), (2, 9977912), (4, 4988956), (7, 2850832), (8, 2494478), (14, 1425416), (16, 1247239), (17, 1173872), (28, 712708), (34, 586936), (47, 424592), (56, 356354), (68, 293468), (94, 212296), (112, 178177), (119, 167696), (136, 146734), (188, 106148), (223, 89488), (238, 83848), (272, 73367), (329, 60656), (376, 53074), (446, 44744), (476, 41924), (658, 30328), (752, 26537), (799, 24976), (892, 22372), (952, 20962), (1316, 15164), (1561, 12784), (1598, 12488), (1784, 11186), (1904, 10481), (2632, 7582), (3122, 6392), (3196, 6244), (3568, 5593), (3791, 5264)]