18220293

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22247}}^1$

素因数の和:22273

約数の個数: 24

約数和(自身を含む): 32393088

約数和(自身を除く): 14172795

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 22247, 66741, 155729, 200223, 289211, 467187, 867633, 1401561, 2024477, 2602899, 6073431, 18220293]

約数ペア:

[(1, 18220293), (3, 6073431), (7, 2602899), (9, 2024477), (13, 1401561), (21, 867633), (39, 467187), (63, 289211), (91, 200223), (117, 155729), (273, 66741), (819, 22247)]