19291305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2719}}^1$

素因数の和:2781

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 15176535

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2719, 7095, 8157, 13595, 29909, 40785, 89727, 116917, 149545, 350751, 448635, 584585, 1286087, 1753755, 3858261, 6430435, 19291305]

約数ペア:

[(1, 19291305), (3, 6430435), (5, 3858261), (11, 1753755), (15, 1286087), (33, 584585), (43, 448635), (55, 350751), (129, 149545), (165, 116917), (215, 89727), (473, 40785), (645, 29909), (1419, 13595), (2365, 8157), (2719, 7095)]