18315947

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 20815872

約数和(自身を除く): 2499925

約数列:

[1, 13, 31, 47, 403, 611, 967, 1457, 12571, 18941, 29977, 45449, 389701, 590837, 1408919, 18315947]

約数ペア:

[(1, 18315947), (13, 1408919), (31, 590837), (47, 389701), (403, 45449), (611, 29977), (967, 18941), (1457, 12571)]