19018179650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{577}}^1\times {\mathrm{2281}}^1$

素因数の和:2904

約数の個数: 72

約数和(自身を含む): 37658654796

約数和(自身を除く): 18640475146

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 577, 578, 850, 1154, 1445, 2281, 2885, 2890, 4562, 5770, 7225, 9809, 11405, 14425, 14450, 19618, 22810, 28850, 38777, 49045, 57025, 77554, 98090, 114050, 166753, 193885, 245225, 333506, 387770, 490450, 659209, 833765, 969425, 1316137, 1318418, 1667530, 1938850, 2632274, 3296045, 4168825, 6580685, 6592090, 8337650, 13161370, 16480225, 22374329, 32903425, 32960450, 44748658, 65806850, 111871645, 223743290, 380363593, 559358225, 760727186, 1118716450, 1901817965, 3803635930, 9509089825, 19018179650]

約数ペア:

[(1, 19018179650), (2, 9509089825), (5, 3803635930), (10, 1901817965), (17, 1118716450), (25, 760727186), (34, 559358225), (50, 380363593), (85, 223743290), (170, 111871645), (289, 65806850), (425, 44748658), (577, 32960450), (578, 32903425), (850, 22374329), (1154, 16480225), (1445, 13161370), (2281, 8337650), (2885, 6592090), (2890, 6580685), (4562, 4168825), (5770, 3296045), (7225, 2632274), (9809, 1938850), (11405, 1667530), (14425, 1318418), (14450, 1316137), (19618, 969425), (22810, 833765), (28850, 659209), (38777, 490450), (49045, 387770), (57025, 333506), (77554, 245225), (98090, 193885), (114050, 166753)]