18783453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 29296512

約数和(自身を除く): 10513059

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 221, 533, 663, 691, 697, 1599, 2073, 2091, 8983, 9061, 11747, 26949, 27183, 28331, 35241, 84993, 152711, 368303, 458133, 481627, 1104909, 1444881, 6261151, 18783453]

約数ペア:

[(1, 18783453), (3, 6261151), (13, 1444881), (17, 1104909), (39, 481627), (41, 458133), (51, 368303), (123, 152711), (221, 84993), (533, 35241), (663, 28331), (691, 27183), (697, 26949), (1599, 11747), (2073, 9061), (2091, 8983)]