19844391

素因数分解:

$3^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1151}}^1$

素因数の和:1982

約数の個数: 16

約数和(自身を含む): 30302208

約数和(自身を除く): 10457817

約数列:

[1, 3, 7, 21, 821, 1151, 2463, 3453, 5747, 8057, 17241, 24171, 944971, 2834913, 6614797, 19844391]

約数ペア:

[(1, 19844391), (3, 6614797), (7, 2834913), (21, 944971), (821, 24171), (1151, 17241), (2463, 8057), (3453, 5747)]