19415305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:697

約数の個数: 32

約数和(自身を含む): 29127168

約数和(自身を除く): 9711863

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 601, 923, 2485, 3005, 4207, 4615, 6461, 7813, 21035, 32305, 39065, 42671, 54691, 213355, 273455, 298697, 554723, 1493485, 2773615, 3883061, 19415305]

約数ペア:

[(1, 19415305), (5, 3883061), (7, 2773615), (13, 1493485), (35, 554723), (65, 298697), (71, 273455), (91, 213355), (355, 54691), (455, 42671), (497, 39065), (601, 32305), (923, 21035), (2485, 7813), (3005, 6461), (4207, 4615)]