19985434

素因数分解:

$2^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4339}}^1$

素因数の和:4402

約数の個数: 24

約数和(自身を含む): 35622720

約数和(自身を除く): 15637286

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 329, 658, 2303, 4339, 4606, 8678, 30373, 60746, 203933, 212611, 407866, 425222, 1427531, 2855062, 9992717, 19985434]

約数ペア:

[(1, 19985434), (2, 9992717), (7, 2855062), (14, 1427531), (47, 425222), (49, 407866), (94, 212611), (98, 203933), (329, 60746), (658, 30373), (2303, 8678), (4339, 4606)]