19777356

素因数分解:

$2^2\times 3^2\times {\mathrm{229}}^1\times {\mathrm{2399}}^1$

素因数の和:2638

約数の個数: 36

約数和(自身を含む): 50232000

約数和(自身を除く): 30454644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 229, 458, 687, 916, 1374, 2061, 2399, 2748, 4122, 4798, 7197, 8244, 9596, 14394, 21591, 28788, 43182, 86364, 549371, 1098742, 1648113, 2197484, 3296226, 4944339, 6592452, 9888678, 19777356]

約数ペア:

[(1, 19777356), (2, 9888678), (3, 6592452), (4, 4944339), (6, 3296226), (9, 2197484), (12, 1648113), (18, 1098742), (36, 549371), (229, 86364), (458, 43182), (687, 28788), (916, 21591), (1374, 14394), (2061, 9596), (2399, 8244), (2748, 7197), (4122, 4798)]