18561917260

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{857}}^1\times {\mathrm{2153}}^1$

素因数の和:3522

約数の個数: 48

約数和(自身を含む): 39121258176

約数和(自身を除く): 20559340916

約数列:

[1, 2, 4, 5, 10, 20, 503, 857, 1006, 1714, 2012, 2153, 2515, 3428, 4285, 4306, 5030, 8570, 8612, 10060, 10765, 17140, 21530, 43060, 431071, 862142, 1082959, 1724284, 1845121, 2155355, 2165918, 3690242, 4310710, 4331836, 5414795, 7380484, 8621420, 9225605, 10829590, 18451210, 21659180, 36902420, 928095863, 1856191726, 3712383452, 4640479315, 9280958630, 18561917260]

約数ペア:

[(1, 18561917260), (2, 9280958630), (4, 4640479315), (5, 3712383452), (10, 1856191726), (20, 928095863), (503, 36902420), (857, 21659180), (1006, 18451210), (1714, 10829590), (2012, 9225605), (2153, 8621420), (2515, 7380484), (3428, 5414795), (4285, 4331836), (4306, 4310710), (5030, 3690242), (8570, 2165918), (8612, 2155355), (10060, 1845121), (10765, 1724284), (17140, 1082959), (21530, 862142), (43060, 431071)]