18980340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{316339}}^1$

素因数の和:316351

約数の個数: 24

約数和(自身を含む): 53145120

約数和(自身を除く): 34164780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 316339, 632678, 949017, 1265356, 1581695, 1898034, 3163390, 3796068, 4745085, 6326780, 9490170, 18980340]

約数ペア:

[(1, 18980340), (2, 9490170), (3, 6326780), (4, 4745085), (5, 3796068), (6, 3163390), (10, 1898034), (12, 1581695), (15, 1265356), (20, 949017), (30, 632678), (60, 316339)]