19912323340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10940837}}^1$

素因数の和:10940866

約数の個数: 48

約数和(自身を含む): 51465701952

約数和(自身を除く): 31553378612

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10940837, 21881674, 43763348, 54704185, 76585859, 109408370, 142230881, 153171718, 218816740, 284461762, 306343436, 382929295, 568923524, 711154405, 765858590, 995616167, 1422308810, 1531717180, 1991232334, 2844617620, 3982464668, 4978080835, 9956161670, 19912323340]

約数ペア:

[(1, 19912323340), (2, 9956161670), (4, 4978080835), (5, 3982464668), (7, 2844617620), (10, 1991232334), (13, 1531717180), (14, 1422308810), (20, 995616167), (26, 765858590), (28, 711154405), (35, 568923524), (52, 382929295), (65, 306343436), (70, 284461762), (91, 218816740), (130, 153171718), (140, 142230881), (182, 109408370), (260, 76585859), (364, 54704185), (455, 43763348), (910, 21881674), (1820, 10940837)]