19913135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4583}}^1$

素因数の和:4678

約数の個数: 16

約数和(自身を含む): 26403840

約数和(自身を除く): 6490705

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4583, 22915, 50413, 252065, 362057, 1810285, 3982627, 19913135]

約数ペア:

[(1, 19913135), (5, 3982627), (11, 1810285), (55, 362057), (79, 252065), (395, 50413), (869, 22915), (4345, 4583)]