18982436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 37847040

約数和(自身を除く): 18864604

約数列:

[1, 2, 4, 11, 22, 43, 44, 79, 86, 127, 158, 172, 254, 316, 473, 508, 869, 946, 1397, 1738, 1892, 2794, 3397, 3476, 5461, 5588, 6794, 10033, 10922, 13588, 20066, 21844, 37367, 40132, 60071, 74734, 110363, 120142, 149468, 220726, 240284, 431419, 441452, 862838, 1725676, 4745609, 9491218, 18982436]

約数ペア:

[(1, 18982436), (2, 9491218), (4, 4745609), (11, 1725676), (22, 862838), (43, 441452), (44, 431419), (79, 240284), (86, 220726), (127, 149468), (158, 120142), (172, 110363), (254, 74734), (316, 60071), (473, 40132), (508, 37367), (869, 21844), (946, 20066), (1397, 13588), (1738, 10922), (1892, 10033), (2794, 6794), (3397, 5588), (3476, 5461)]