19366820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1873}}^1$

素因数の和:1940

約数の個数: 48

約数和(自身を含む): 45335808

約数和(自身を除く): 25968988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1873, 2068, 2585, 3746, 5170, 7492, 9365, 10340, 18730, 20603, 37460, 41206, 82412, 88031, 103015, 176062, 206030, 352124, 412060, 440155, 880310, 968341, 1760620, 1936682, 3873364, 4841705, 9683410, 19366820]

約数ペア:

[(1, 19366820), (2, 9683410), (4, 4841705), (5, 3873364), (10, 1936682), (11, 1760620), (20, 968341), (22, 880310), (44, 440155), (47, 412060), (55, 352124), (94, 206030), (110, 176062), (188, 103015), (220, 88031), (235, 82412), (470, 41206), (517, 37460), (940, 20603), (1034, 18730), (1873, 10340), (2068, 9365), (2585, 7492), (3746, 5170)]