19640371192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2121907}}^1$

素因数の和:2122015

約数の個数: 32

約数和(自身を含む): 40104061200

約数和(自身を除く): 20463690008

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 2121907, 4243814, 8487628, 16975256, 27584791, 55169582, 110339164, 188849723, 220678328, 377699446, 755398892, 1510797784, 2455046399, 4910092798, 9820185596, 19640371192]

約数ペア:

[(1, 19640371192), (2, 9820185596), (4, 4910092798), (8, 2455046399), (13, 1510797784), (26, 755398892), (52, 377699446), (89, 220678328), (104, 188849723), (178, 110339164), (356, 55169582), (712, 27584791), (1157, 16975256), (2314, 8487628), (4628, 4243814), (9256, 2121907)]