19987266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1697}}^1$

素因数の和:1866

約数の個数: 32

約数和(自身を含む): 43360128

約数和(自身を除く): 23372862

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 151, 302, 453, 906, 1697, 1963, 3394, 3926, 5091, 5889, 10182, 11778, 22061, 44122, 66183, 132366, 256247, 512494, 768741, 1537482, 3331211, 6662422, 9993633, 19987266]

約数ペア:

[(1, 19987266), (2, 9993633), (3, 6662422), (6, 3331211), (13, 1537482), (26, 768741), (39, 512494), (78, 256247), (151, 132366), (302, 66183), (453, 44122), (906, 22061), (1697, 11778), (1963, 10182), (3394, 5889), (3926, 5091)]