18548738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 31401216

約数和(自身を除く): 12852478

約数列:

[1, 2, 13, 26, 43, 47, 86, 94, 353, 559, 611, 706, 1118, 1222, 2021, 4042, 4589, 9178, 15179, 16591, 26273, 30358, 33182, 52546, 197327, 215683, 394654, 431366, 713413, 1426826, 9274369, 18548738]

約数ペア:

[(1, 18548738), (2, 9274369), (13, 1426826), (26, 713413), (43, 431366), (47, 394654), (86, 215683), (94, 197327), (353, 52546), (559, 33182), (611, 30358), (706, 26273), (1118, 16591), (1222, 15179), (2021, 9178), (4042, 4589)]