18539397540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2395271}}^1$

素因数の和:2395329

約数の個数: 72

約数和(自身を含む): 57544014528

約数和(自身を除く): 39004616988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 2395271, 4790542, 7185813, 9581084, 11976355, 14371626, 21557439, 23952710, 28743252, 35929065, 43114878, 47905420, 71858130, 86229756, 102996653, 107787195, 143716260, 205993306, 215574390, 308989959, 411986612, 431148780, 514983265, 617979918, 926969877, 1029966530, 1235959836, 1544949795, 1853939754, 2059933060, 3089899590, 3707879508, 4634849385, 6179799180, 9269698770, 18539397540]

約数ペア:

[(1, 18539397540), (2, 9269698770), (3, 6179799180), (4, 4634849385), (5, 3707879508), (6, 3089899590), (9, 2059933060), (10, 1853939754), (12, 1544949795), (15, 1235959836), (18, 1029966530), (20, 926969877), (30, 617979918), (36, 514983265), (43, 431148780), (45, 411986612), (60, 308989959), (86, 215574390), (90, 205993306), (129, 143716260), (172, 107787195), (180, 102996653), (215, 86229756), (258, 71858130), (387, 47905420), (430, 43114878), (516, 35929065), (645, 28743252), (774, 23952710), (860, 21557439), (1290, 14371626), (1548, 11976355), (1935, 9581084), (2580, 7185813), (3870, 4790542), (7740, 2395271)]