18620170178

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{6287}}^1\times {\mathrm{20857}}^1$

素因数の和:27217

約数の個数: 16

約数和(自身を含む): 28329502464

約数和(自身を除く): 9709332286

約数列:

[1, 2, 71, 142, 6287, 12574, 20857, 41714, 446377, 892754, 1480847, 2961694, 131127959, 262255918, 9310085089, 18620170178]

約数ペア:

[(1, 18620170178), (2, 9310085089), (71, 262255918), (142, 131127959), (6287, 2961694), (12574, 1480847), (20857, 892754), (41714, 446377)]