18944590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2131}}^1$

素因数の和:2272

約数の個数: 32

約数和(自身を含む): 39297024

約数和(自身を除く): 20352434

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2131, 4262, 4445, 8890, 10655, 14917, 21310, 29834, 74585, 149170, 270637, 541274, 1353185, 1894459, 2706370, 3788918, 9472295, 18944590]

約数ペア:

[(1, 18944590), (2, 9472295), (5, 3788918), (7, 2706370), (10, 1894459), (14, 1353185), (35, 541274), (70, 270637), (127, 149170), (254, 74585), (635, 29834), (889, 21310), (1270, 14917), (1778, 10655), (2131, 8890), (4262, 4445)]