19805982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{471571}}^1$

素因数の和:471583

約数の個数: 16

約数和(自身を含む): 45270912

約数和(自身を除く): 25464930

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 471571, 943142, 1414713, 2829426, 3300997, 6601994, 9902991, 19805982]

約数ペア:

[(1, 19805982), (2, 9902991), (3, 6601994), (6, 3300997), (7, 2829426), (14, 1414713), (21, 943142), (42, 471571)]