19158951

素因数分解:

$3^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{433}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 30553600

約数和(自身を除く): 11394649

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 433, 903, 1029, 1299, 2107, 3031, 6321, 9093, 14749, 18619, 21217, 44247, 55857, 63651, 130333, 148519, 390999, 445557, 912331, 2736993, 6386317, 19158951]

約数ペア:

[(1, 19158951), (3, 6386317), (7, 2736993), (21, 912331), (43, 445557), (49, 390999), (129, 148519), (147, 130333), (301, 63651), (343, 55857), (433, 44247), (903, 21217), (1029, 18619), (1299, 14749), (2107, 9093), (3031, 6321)]