18513516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{220399}}^1$

素因数の和:220413

約数の個数: 24

約数和(自身を含む): 49369600

約数和(自身を除く): 30856084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 220399, 440798, 661197, 881596, 1322394, 1542793, 2644788, 3085586, 4628379, 6171172, 9256758, 18513516]

約数ペア:

[(1, 18513516), (2, 9256758), (3, 6171172), (4, 4628379), (6, 3085586), (7, 2644788), (12, 1542793), (14, 1322394), (21, 881596), (28, 661197), (42, 440798), (84, 220399)]