18705641474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{20479}}^1$

素因数の和:20599

約数の個数: 48

約数和(自身を含む): 32565657600

約数和(自身を除く): 13860016126

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 1849, 3698, 10621, 20479, 21242, 24037, 35131, 40958, 48074, 70262, 266227, 389101, 456703, 532454, 778202, 880597, 913406, 1761194, 5058313, 10116626, 11447761, 16731343, 22895522, 33462686, 37865671, 75731342, 217507459, 435014918, 492253723, 719447749, 984507446, 1438895498, 9352820737, 18705641474]

約数ペア:

[(1, 18705641474), (2, 9352820737), (13, 1438895498), (19, 984507446), (26, 719447749), (38, 492253723), (43, 435014918), (86, 217507459), (247, 75731342), (494, 37865671), (559, 33462686), (817, 22895522), (1118, 16731343), (1634, 11447761), (1849, 10116626), (3698, 5058313), (10621, 1761194), (20479, 913406), (21242, 880597), (24037, 778202), (35131, 532454), (40958, 456703), (48074, 389101), (70262, 266227)]