19639004

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9109}}^1$

素因数の和:9138

約数の個数: 36

約数和(自身を含む): 43618680

約数和(自身を除く): 23979676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9109, 18218, 36436, 63763, 100199, 127526, 200398, 255052, 400796, 446341, 701393, 892682, 1402786, 1785364, 2805572, 4909751, 9819502, 19639004]

約数ペア:

[(1, 19639004), (2, 9819502), (4, 4909751), (7, 2805572), (11, 1785364), (14, 1402786), (22, 892682), (28, 701393), (44, 446341), (49, 400796), (77, 255052), (98, 200398), (154, 127526), (196, 100199), (308, 63763), (539, 36436), (1078, 18218), (2156, 9109)]