18830045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 26073600

約数和(自身を除く): 7243555

約数列:

[1, 5, 13, 19, 65, 79, 95, 193, 247, 395, 965, 1027, 1235, 1501, 2509, 3667, 5135, 7505, 12545, 15247, 18335, 19513, 47671, 76235, 97565, 198211, 238355, 289693, 991055, 1448465, 3766009, 18830045]

約数ペア:

[(1, 18830045), (5, 3766009), (13, 1448465), (19, 991055), (65, 289693), (79, 238355), (95, 198211), (193, 97565), (247, 76235), (395, 47671), (965, 19513), (1027, 18335), (1235, 15247), (1501, 12545), (2509, 7505), (3667, 5135)]