19163896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 40629600

約数和(自身を除く): 21465704

約数列:

[1, 2, 4, 8, 17, 29, 34, 43, 58, 68, 86, 113, 116, 136, 172, 226, 232, 344, 452, 493, 731, 904, 986, 1247, 1462, 1921, 1972, 2494, 2924, 3277, 3842, 3944, 4859, 4988, 5848, 6554, 7684, 9718, 9976, 13108, 15368, 19436, 21199, 26216, 38872, 42398, 55709, 82603, 84796, 111418, 140911, 165206, 169592, 222836, 281822, 330412, 445672, 563644, 660824, 1127288, 2395487, 4790974, 9581948, 19163896]

約数ペア:

[(1, 19163896), (2, 9581948), (4, 4790974), (8, 2395487), (17, 1127288), (29, 660824), (34, 563644), (43, 445672), (58, 330412), (68, 281822), (86, 222836), (113, 169592), (116, 165206), (136, 140911), (172, 111418), (226, 84796), (232, 82603), (344, 55709), (452, 42398), (493, 38872), (731, 26216), (904, 21199), (986, 19436), (1247, 15368), (1462, 13108), (1921, 9976), (1972, 9718), (2494, 7684), (2924, 6554), (3277, 5848), (3842, 4988), (3944, 4859)]