19491707

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 21273120

約数和(自身を除く): 1781413

約数列:

[1, 17, 67, 109, 157, 1139, 1853, 2669, 7303, 10519, 17113, 124151, 178823, 290921, 1146571, 19491707]

約数ペア:

[(1, 19491707), (17, 1146571), (67, 290921), (109, 178823), (157, 124151), (1139, 17113), (1853, 10519), (2669, 7303)]