18128539

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 21417984

約数和(自身を除く): 3289445

約数列:

[1, 11, 13, 143, 331, 383, 3641, 4213, 4303, 4979, 47333, 54769, 126773, 1394503, 1648049, 18128539]

約数ペア:

[(1, 18128539), (11, 1648049), (13, 1394503), (143, 126773), (331, 54769), (383, 47333), (3641, 4979), (4213, 4303)]