18308409

素因数分解:

$3^1\times 7^2\times {\mathrm{269}}^1\times {\mathrm{463}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 28563840

約数和(自身を除く): 10255431

約数列:

[1, 3, 7, 21, 49, 147, 269, 463, 807, 1389, 1883, 3241, 5649, 9723, 13181, 22687, 39543, 68061, 124547, 373641, 871829, 2615487, 6102803, 18308409]

約数ペア:

[(1, 18308409), (3, 6102803), (7, 2615487), (21, 871829), (49, 373641), (147, 124547), (269, 68061), (463, 39543), (807, 22687), (1389, 13181), (1883, 9723), (3241, 5649)]