19658992

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:341

約数の個数: 40

約数和(自身を含む): 39203840

約数和(自身を除く): 19544848

約数列:

[1, 2, 4, 8, 16, 79, 103, 151, 158, 206, 302, 316, 412, 604, 632, 824, 1208, 1264, 1648, 2416, 8137, 11929, 15553, 16274, 23858, 31106, 32548, 47716, 62212, 65096, 95432, 124424, 130192, 190864, 248848, 1228687, 2457374, 4914748, 9829496, 19658992]

約数ペア:

[(1, 19658992), (2, 9829496), (4, 4914748), (8, 2457374), (16, 1228687), (79, 248848), (103, 190864), (151, 130192), (158, 124424), (206, 95432), (302, 65096), (316, 62212), (412, 47716), (604, 32548), (632, 31106), (824, 23858), (1208, 16274), (1264, 15553), (1648, 11929), (2416, 8137)]