18666948904

素因数分解:

$2^3\times {\mathrm{1091}}^1\times {\mathrm{2138743}}^1$

素因数の和:2139840

約数の個数: 16

約数和(自身を含む): 35032626720

約数和(自身を除く): 16365677816

約数列:

[1, 2, 4, 8, 1091, 2182, 4364, 8728, 2138743, 4277486, 8554972, 17109944, 2333368613, 4666737226, 9333474452, 18666948904]

約数ペア:

[(1, 18666948904), (2, 9333474452), (4, 4666737226), (8, 2333368613), (1091, 17109944), (2182, 8554972), (4364, 4277486), (8728, 2138743)]