28638130

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{7933}}^1$

素因数の和:7978

約数の個数: 24

約数和(自身を含む): 54411372

約数和(自身を除く): 25773242

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 7933, 15866, 39665, 79330, 150727, 301454, 753635, 1507270, 2863813, 5727626, 14319065, 28638130]

約数ペア:

[(1, 28638130), (2, 14319065), (5, 5727626), (10, 2863813), (19, 1507270), (38, 753635), (95, 301454), (190, 150727), (361, 79330), (722, 39665), (1805, 15866), (3610, 7933)]