18773139

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{449}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 12676461

約数列:

[1, 3, 7, 11, 21, 33, 77, 181, 231, 449, 543, 1267, 1347, 1991, 3143, 3801, 4939, 5973, 9429, 13937, 14817, 34573, 41811, 81269, 103719, 243807, 568883, 893959, 1706649, 2681877, 6257713, 18773139]

約数ペア:

[(1, 18773139), (3, 6257713), (7, 2681877), (11, 1706649), (21, 893959), (33, 568883), (77, 243807), (181, 103719), (231, 81269), (449, 41811), (543, 34573), (1267, 14817), (1347, 13937), (1991, 9429), (3143, 5973), (3801, 4939)]