18836697584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2136649}}^1$

素因数の和:2136705

約数の個数: 40

約数和(自身を含む): 39741690000

約数和(自身を除く): 20904992416

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 4408, 8816, 2136649, 4273298, 8546596, 17093192, 34186384, 40596331, 61962821, 81192662, 123925642, 162385324, 247851284, 324770648, 495702568, 649541296, 991405136, 1177293599, 2354587198, 4709174396, 9418348792, 18836697584]

約数ペア:

[(1, 18836697584), (2, 9418348792), (4, 4709174396), (8, 2354587198), (16, 1177293599), (19, 991405136), (29, 649541296), (38, 495702568), (58, 324770648), (76, 247851284), (116, 162385324), (152, 123925642), (232, 81192662), (304, 61962821), (464, 40596331), (551, 34186384), (1102, 17093192), (2204, 8546596), (4408, 4273298), (8816, 2136649)]