19404728

素因数分解:

$2^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{827}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 22326472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 419, 827, 838, 1654, 1676, 2933, 3308, 3352, 5789, 5866, 6616, 11578, 11732, 23156, 23464, 46312, 346513, 693026, 1386052, 2425591, 2772104, 4851182, 9702364, 19404728]

約数ペア:

[(1, 19404728), (2, 9702364), (4, 4851182), (7, 2772104), (8, 2425591), (14, 1386052), (28, 693026), (56, 346513), (419, 46312), (827, 23464), (838, 23156), (1654, 11732), (1676, 11578), (2933, 6616), (3308, 5866), (3352, 5789)]