18779436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40127}}^1$

素因数の和:40150

約数の個数: 36

約数和(自身を含む): 51123072

約数和(自身を除く): 32343636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40127, 80254, 120381, 160508, 240762, 361143, 481524, 521651, 722286, 1043302, 1444572, 1564953, 2086604, 3129906, 4694859, 6259812, 9389718, 18779436]

約数ペア:

[(1, 18779436), (2, 9389718), (3, 6259812), (4, 4694859), (6, 3129906), (9, 2086604), (12, 1564953), (13, 1444572), (18, 1043302), (26, 722286), (36, 521651), (39, 481524), (52, 361143), (78, 240762), (117, 160508), (156, 120381), (234, 80254), (468, 40127)]