19492209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{491}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 30854304

約数和(自身を除く): 11362095

約数列:

[1, 3, 9, 11, 33, 99, 401, 491, 1203, 1473, 3609, 4411, 4419, 5401, 13233, 16203, 39699, 48609, 196891, 590673, 1772019, 2165801, 6497403, 19492209]

約数ペア:

[(1, 19492209), (3, 6497403), (9, 2165801), (11, 1772019), (33, 590673), (99, 196891), (401, 48609), (491, 39699), (1203, 16203), (1473, 13233), (3609, 5401), (4411, 4419)]