19013665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{661}}^1$

素因数の和:1200

約数の個数: 16

約数和(自身を含む): 24975936

約数和(自身を除く): 5962271

約数列:

[1, 5, 11, 55, 523, 661, 2615, 3305, 5753, 7271, 28765, 36355, 345703, 1728515, 3802733, 19013665]

約数ペア:

[(1, 19013665), (5, 3802733), (11, 1728515), (55, 345703), (523, 36355), (661, 28765), (2615, 7271), (3305, 5753)]