19507628

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8819}}^1$

素因数の和:8909

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 20005972

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 8819, 17638, 35276, 61733, 123466, 246932, 696701, 1393402, 2786804, 4876907, 9753814, 19507628]

約数ペア:

[(1, 19507628), (2, 9753814), (4, 4876907), (7, 2786804), (14, 1393402), (28, 696701), (79, 246932), (158, 123466), (316, 61733), (553, 35276), (1106, 17638), (2212, 8819)]