19221405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3001}}^1$

素因数の和:3077

約数の個数: 32

約数和(自身を含む): 35735808

約数和(自身を除く): 16514403

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 3001, 6405, 9003, 15005, 21007, 45015, 63021, 105035, 183061, 315105, 549183, 915305, 1281427, 2745915, 3844281, 6407135, 19221405]

約数ペア:

[(1, 19221405), (3, 6407135), (5, 3844281), (7, 2745915), (15, 1281427), (21, 915305), (35, 549183), (61, 315105), (105, 183061), (183, 105035), (305, 63021), (427, 45015), (915, 21007), (1281, 15005), (2135, 9003), (3001, 6405)]