18148795

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 26357760

約数和(自身を除く): 8208965

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 389, 1085, 1333, 1505, 1945, 2723, 6665, 9331, 12059, 13615, 16727, 46655, 60295, 83635, 84413, 117089, 422065, 518537, 585445, 2592685, 3629759, 18148795]

約数ペア:

[(1, 18148795), (5, 3629759), (7, 2592685), (31, 585445), (35, 518537), (43, 422065), (155, 117089), (215, 84413), (217, 83635), (301, 60295), (389, 46655), (1085, 16727), (1333, 13615), (1505, 12059), (1945, 9331), (2723, 6665)]