19860808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{839}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20963192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 269, 538, 839, 1076, 1678, 2152, 2959, 3356, 5918, 6712, 9229, 11836, 18458, 23672, 36916, 73832, 225691, 451382, 902764, 1805528, 2482601, 4965202, 9930404, 19860808]

約数ペア:

[(1, 19860808), (2, 9930404), (4, 4965202), (8, 2482601), (11, 1805528), (22, 902764), (44, 451382), (88, 225691), (269, 73832), (538, 36916), (839, 23672), (1076, 18458), (1678, 11836), (2152, 9229), (2959, 6712), (3356, 5918)]