18766384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12889}}^1$

素因数の和:12917

約数の個数: 40

約数和(自身を含む): 44754080

約数和(自身を除く): 25987696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12889, 25778, 51556, 90223, 103112, 167557, 180446, 206224, 335114, 360892, 670228, 721784, 1172899, 1340456, 1443568, 2345798, 2680912, 4691596, 9383192, 18766384]

約数ペア:

[(1, 18766384), (2, 9383192), (4, 4691596), (7, 2680912), (8, 2345798), (13, 1443568), (14, 1340456), (16, 1172899), (26, 721784), (28, 670228), (52, 360892), (56, 335114), (91, 206224), (104, 180446), (112, 167557), (182, 103112), (208, 90223), (364, 51556), (728, 25778), (1456, 12889)]