18994047478

素因数分解:

$2^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{810949}}^1$

素因数の和:811204

約数の個数: 24

約数和(自身を含む): 33281388000

約数和(自身を除く): 14287340522

約数列:

[1, 2, 7, 14, 49, 98, 239, 478, 1673, 3346, 11711, 23422, 810949, 1621898, 5676643, 11353286, 39736501, 79473002, 193816811, 387633622, 1356717677, 2713435354, 9497023739, 18994047478]

約数ペア:

[(1, 18994047478), (2, 9497023739), (7, 2713435354), (14, 1356717677), (49, 387633622), (98, 193816811), (239, 79473002), (478, 39736501), (1673, 11353286), (3346, 5676643), (11711, 1621898), (23422, 810949)]