18330195

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 33997824

約数和(自身を除く): 15667629

約数列:

[1, 3, 5, 13, 15, 23, 39, 61, 65, 67, 69, 115, 183, 195, 201, 299, 305, 335, 345, 793, 871, 897, 915, 1005, 1403, 1495, 1541, 2379, 2613, 3965, 4087, 4209, 4355, 4485, 4623, 7015, 7705, 11895, 12261, 13065, 18239, 20033, 20435, 21045, 23115, 53131, 54717, 60099, 61305, 91195, 94001, 100165, 159393, 265655, 273585, 282003, 300495, 470005, 796965, 1222013, 1410015, 3666039, 6110065, 18330195]

約数ペア:

[(1, 18330195), (3, 6110065), (5, 3666039), (13, 1410015), (15, 1222013), (23, 796965), (39, 470005), (61, 300495), (65, 282003), (67, 273585), (69, 265655), (115, 159393), (183, 100165), (195, 94001), (201, 91195), (299, 61305), (305, 60099), (335, 54717), (345, 53131), (793, 23115), (871, 21045), (897, 20435), (915, 20033), (1005, 18239), (1403, 13065), (1495, 12261), (1541, 11895), (2379, 7705), (2613, 7015), (3965, 4623), (4087, 4485), (4209, 4355)]