19480521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7207}}^1$

素因数の和:7280

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 8544183

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7207, 21621, 122519, 367557, 381971, 1145913, 6493507, 19480521]

約数ペア:

[(1, 19480521), (3, 6493507), (17, 1145913), (51, 381971), (53, 367557), (159, 122519), (901, 21621), (2703, 7207)]