12187910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1109}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 25254720

約数和(自身を除く): 13066810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1109, 1570, 2198, 2218, 5495, 5545, 7763, 10990, 11090, 15526, 38815, 77630, 174113, 348226, 870565, 1218791, 1741130, 2437582, 6093955, 12187910]

約数ペア:

[(1, 12187910), (2, 6093955), (5, 2437582), (7, 1741130), (10, 1218791), (14, 870565), (35, 348226), (70, 174113), (157, 77630), (314, 38815), (785, 15526), (1099, 11090), (1109, 10990), (1570, 7763), (2198, 5545), (2218, 5495)]