19993078

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6581}}^1$

素因数の和:6628

約数の個数: 24

約数和(自身を含む): 36016704

約数和(自身を除く): 16023626

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 6581, 13162, 46067, 92134, 204011, 322469, 408022, 644938, 1428077, 2856154, 9996539, 19993078]

約数ペア:

[(1, 19993078), (2, 9996539), (7, 2856154), (14, 1428077), (31, 644938), (49, 408022), (62, 322469), (98, 204011), (217, 92134), (434, 46067), (1519, 13162), (3038, 6581)]