18505109

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1700

約数の個数: 16

約数和(自身を含む): 22256640

約数和(自身を除く): 3751531

約数列:

[1, 7, 31, 53, 217, 371, 1609, 1643, 11263, 11501, 49879, 85277, 349153, 596939, 2643587, 18505109]

約数ペア:

[(1, 18505109), (7, 2643587), (31, 596939), (53, 349153), (217, 85277), (371, 49879), (1609, 11501), (1643, 11263)]