18751304

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 42517440

約数和(自身を除く): 23766136

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 443, 481, 572, 814, 886, 962, 1144, 1628, 1772, 1924, 3256, 3544, 3848, 4873, 5291, 5759, 9746, 10582, 11518, 16391, 19492, 21164, 23036, 32782, 38984, 42328, 46072, 63349, 65564, 126698, 131128, 180301, 213083, 253396, 360602, 426166, 506792, 721204, 852332, 1442408, 1704664, 2343913, 4687826, 9375652, 18751304]

約数ペア:

[(1, 18751304), (2, 9375652), (4, 4687826), (8, 2343913), (11, 1704664), (13, 1442408), (22, 852332), (26, 721204), (37, 506792), (44, 426166), (52, 360602), (74, 253396), (88, 213083), (104, 180301), (143, 131128), (148, 126698), (286, 65564), (296, 63349), (407, 46072), (443, 42328), (481, 38984), (572, 32782), (814, 23036), (886, 21164), (962, 19492), (1144, 16391), (1628, 11518), (1772, 10582), (1924, 9746), (3256, 5759), (3544, 5291), (3848, 4873)]