19728296

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 47744640

約数和(自身を除く): 28016344

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 53, 56, 68, 92, 106, 119, 136, 161, 184, 212, 238, 289, 322, 371, 391, 424, 476, 578, 644, 742, 782, 901, 952, 1156, 1219, 1288, 1484, 1564, 1802, 2023, 2312, 2438, 2737, 2968, 3128, 3604, 4046, 4876, 5474, 6307, 6647, 7208, 8092, 8533, 9752, 10948, 12614, 13294, 15317, 16184, 17066, 20723, 21896, 25228, 26588, 30634, 34132, 41446, 46529, 50456, 53176, 61268, 68264, 82892, 93058, 107219, 122536, 145061, 165784, 186116, 214438, 290122, 352291, 372232, 428876, 580244, 704582, 857752, 1160488, 1409164, 2466037, 2818328, 4932074, 9864148, 19728296]

約数ペア:

[(1, 19728296), (2, 9864148), (4, 4932074), (7, 2818328), (8, 2466037), (14, 1409164), (17, 1160488), (23, 857752), (28, 704582), (34, 580244), (46, 428876), (53, 372232), (56, 352291), (68, 290122), (92, 214438), (106, 186116), (119, 165784), (136, 145061), (161, 122536), (184, 107219), (212, 93058), (238, 82892), (289, 68264), (322, 61268), (371, 53176), (391, 50456), (424, 46529), (476, 41446), (578, 34132), (644, 30634), (742, 26588), (782, 25228), (901, 21896), (952, 20723), (1156, 17066), (1219, 16184), (1288, 15317), (1484, 13294), (1564, 12614), (1802, 10948), (2023, 9752), (2312, 8533), (2438, 8092), (2737, 7208), (2968, 6647), (3128, 6307), (3604, 5474), (4046, 4876)]