18927629

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2333}}^1$

素因数の和:2420

約数の個数: 16

約数和(自身を含む): 23153280

約数和(自身を除く): 4225651

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2333, 8113, 16331, 44327, 142313, 310289, 996191, 2703947, 18927629]

約数ペア:

[(1, 18927629), (7, 2703947), (19, 996191), (61, 310289), (133, 142313), (427, 44327), (1159, 16331), (2333, 8113)]