19868984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2043

約数の個数: 32

約数和(自身を含む): 39820800

約数和(自身を除く): 19951816

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1273, 1951, 2546, 3902, 5092, 7804, 10184, 15608, 37069, 74138, 130717, 148276, 261434, 296552, 522868, 1045736, 2483623, 4967246, 9934492, 19868984]

約数ペア:

[(1, 19868984), (2, 9934492), (4, 4967246), (8, 2483623), (19, 1045736), (38, 522868), (67, 296552), (76, 261434), (134, 148276), (152, 130717), (268, 74138), (536, 37069), (1273, 15608), (1951, 10184), (2546, 7804), (3902, 5092)]