19261736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2081}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 39349800

約数和(自身を除く): 20088064

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2081, 2314, 4162, 4628, 8324, 9256, 16648, 27053, 54106, 108212, 185209, 216424, 370418, 740836, 1481672, 2407717, 4815434, 9630868, 19261736]

約数ペア:

[(1, 19261736), (2, 9630868), (4, 4815434), (8, 2407717), (13, 1481672), (26, 740836), (52, 370418), (89, 216424), (104, 185209), (178, 108212), (356, 54106), (712, 27053), (1157, 16648), (2081, 9256), (2314, 8324), (4162, 4628)]