19784916

素因数分解:

$2^2\times 3^2\times {\mathrm{463}}^1\times {\mathrm{1187}}^1$

素因数の和:1660

約数の個数: 36

約数和(自身を含む): 50162112

約数和(自身を除く): 30377196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 463, 926, 1187, 1389, 1852, 2374, 2778, 3561, 4167, 4748, 5556, 7122, 8334, 10683, 14244, 16668, 21366, 42732, 549581, 1099162, 1648743, 2198324, 3297486, 4946229, 6594972, 9892458, 19784916]

約数ペア:

[(1, 19784916), (2, 9892458), (3, 6594972), (4, 4946229), (6, 3297486), (9, 2198324), (12, 1648743), (18, 1099162), (36, 549581), (463, 42732), (926, 21366), (1187, 16668), (1389, 14244), (1852, 10683), (2374, 8334), (2778, 7122), (3561, 5556), (4167, 4748)]