2013121136

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{509393}}^1$

素因数の和:509433

約数の個数: 40

約数和(自身を含む): 4421539920

約数和(自身を除く): 2408418784

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 509393, 1018786, 2037572, 4075144, 6622109, 8150288, 9678467, 13244218, 19356934, 26488436, 38713868, 52976872, 77427736, 105953744, 125820071, 154855472, 251640142, 503280284, 1006560568, 2013121136]

約数ペア:

[(1, 2013121136), (2, 1006560568), (4, 503280284), (8, 251640142), (13, 154855472), (16, 125820071), (19, 105953744), (26, 77427736), (38, 52976872), (52, 38713868), (76, 26488436), (104, 19356934), (152, 13244218), (208, 9678467), (247, 8150288), (304, 6622109), (494, 4075144), (988, 2037572), (1976, 1018786), (3952, 509393)]