18806508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2017}}^1$

素因数の和:2071

約数の個数: 72

約数和(自身を含む): 55825952

約数和(自身を除く): 37019444

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2017, 2331, 3108, 4034, 4662, 6051, 8068, 9324, 12102, 14119, 18153, 24204, 28238, 36306, 42357, 56476, 72612, 74629, 84714, 127071, 149258, 169428, 223887, 254142, 298516, 447774, 508284, 522403, 671661, 895548, 1044806, 1343322, 1567209, 2089612, 2686644, 3134418, 4701627, 6268836, 9403254, 18806508]

約数ペア:

[(1, 18806508), (2, 9403254), (3, 6268836), (4, 4701627), (6, 3134418), (7, 2686644), (9, 2089612), (12, 1567209), (14, 1343322), (18, 1044806), (21, 895548), (28, 671661), (36, 522403), (37, 508284), (42, 447774), (63, 298516), (74, 254142), (84, 223887), (111, 169428), (126, 149258), (148, 127071), (222, 84714), (252, 74629), (259, 72612), (333, 56476), (444, 42357), (518, 36306), (666, 28238), (777, 24204), (1036, 18153), (1332, 14119), (1554, 12102), (2017, 9324), (2331, 8068), (3108, 6051), (4034, 4662)]