19914321

素因数分解:

$3^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{1439}}^1$

素因数の和:2108

約数の個数: 16

約数和(自身を含む): 30412800

約数和(自身を除く): 10498479

約数列:

[1, 3, 7, 21, 659, 1439, 1977, 4317, 4613, 10073, 13839, 30219, 948301, 2844903, 6638107, 19914321]

約数ペア:

[(1, 19914321), (3, 6638107), (7, 2844903), (21, 948301), (659, 30219), (1439, 13839), (1977, 10073), (4317, 4613)]