19360621

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 22860288

約数和(自身を除く): 3499667

約数列:

[1, 7, 43, 131, 301, 491, 917, 3437, 5633, 21113, 39431, 64321, 147791, 450247, 2765803, 19360621]

約数ペア:

[(1, 19360621), (7, 2765803), (43, 450247), (131, 147791), (301, 64321), (491, 39431), (917, 21113), (3437, 5633)]