19461393

素因数分解:

$3^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{571}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 32242496

約数和(自身を除く): 12781103

約数列:

[1, 3, 7, 9, 21, 63, 541, 571, 1623, 1713, 3787, 3997, 4869, 5139, 11361, 11991, 34083, 35973, 308911, 926733, 2162377, 2780199, 6487131, 19461393]

約数ペア:

[(1, 19461393), (3, 6487131), (7, 2780199), (9, 2162377), (21, 926733), (63, 308911), (541, 35973), (571, 34083), (1623, 11991), (1713, 11361), (3787, 5139), (3997, 4869)]