19979968348

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{12269}}^1$

素因数の和:12898

約数の個数: 48

約数和(自身を含む): 37731133440

約数和(自身を除く): 17751165092

約数列:

[1, 2, 4, 23, 31, 46, 62, 92, 124, 571, 713, 1142, 1426, 2284, 2852, 12269, 13133, 17701, 24538, 26266, 35402, 49076, 52532, 70804, 282187, 380339, 407123, 564374, 760678, 814246, 1128748, 1521356, 1628492, 7005599, 8747797, 14011198, 17495594, 28022396, 34991188, 161128777, 217173569, 322257554, 434347138, 644515108, 868694276, 4994992087, 9989984174, 19979968348]

約数ペア:

[(1, 19979968348), (2, 9989984174), (4, 4994992087), (23, 868694276), (31, 644515108), (46, 434347138), (62, 322257554), (92, 217173569), (124, 161128777), (571, 34991188), (713, 28022396), (1142, 17495594), (1426, 14011198), (2284, 8747797), (2852, 7005599), (12269, 1628492), (13133, 1521356), (17701, 1128748), (24538, 814246), (26266, 760678), (35402, 564374), (49076, 407123), (52532, 380339), (70804, 282187)]