20195617218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1331989}}^1$

素因数の和:1332039

約数の個数: 48

約数和(自身を含む): 48718866240

約数和(自身を除く): 28523249022

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 361, 399, 722, 798, 1083, 2166, 2527, 5054, 7581, 15162, 1331989, 2663978, 3995967, 7991934, 9323923, 18647846, 25307791, 27971769, 50615582, 55943538, 75923373, 151846746, 177154537, 354309074, 480848029, 531463611, 961696058, 1062927222, 1442544087, 2885088174, 3365936203, 6731872406, 10097808609, 20195617218]

約数ペア:

[(1, 20195617218), (2, 10097808609), (3, 6731872406), (6, 3365936203), (7, 2885088174), (14, 1442544087), (19, 1062927222), (21, 961696058), (38, 531463611), (42, 480848029), (57, 354309074), (114, 177154537), (133, 151846746), (266, 75923373), (361, 55943538), (399, 50615582), (722, 27971769), (798, 25307791), (1083, 18647846), (2166, 9323923), (2527, 7991934), (5054, 3995967), (7581, 2663978), (15162, 1331989)]