17792740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6689}}^1$

素因数の和:6724

約数の個数: 48

約数和(自身を含む): 44956800

約数和(自身を除く): 27164060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6689, 13378, 26756, 33445, 46823, 66890, 93646, 127091, 133780, 187292, 234115, 254182, 468230, 508364, 635455, 889637, 936460, 1270910, 1779274, 2541820, 3558548, 4448185, 8896370, 17792740]

約数ペア:

[(1, 17792740), (2, 8896370), (4, 4448185), (5, 3558548), (7, 2541820), (10, 1779274), (14, 1270910), (19, 936460), (20, 889637), (28, 635455), (35, 508364), (38, 468230), (70, 254182), (76, 234115), (95, 187292), (133, 133780), (140, 127091), (190, 93646), (266, 66890), (380, 46823), (532, 33445), (665, 26756), (1330, 13378), (2660, 6689)]