19218955

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 8359925

約数列:

[1, 5, 7, 35, 41, 59, 205, 227, 287, 295, 413, 1135, 1435, 1589, 2065, 2419, 7945, 9307, 12095, 13393, 16933, 46535, 65149, 66965, 84665, 93751, 325745, 468755, 549113, 2745565, 3843791, 19218955]

約数ペア:

[(1, 19218955), (5, 3843791), (7, 2745565), (35, 549113), (41, 468755), (59, 325745), (205, 93751), (227, 84665), (287, 66965), (295, 65149), (413, 46535), (1135, 16933), (1435, 13393), (1589, 12095), (2065, 9307), (2419, 7945)]