18914892890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1\times {\mathrm{27271}}^1$

素因数の和:28934

約数の個数: 32

約数和(自身を含む): 34861470336

約数和(自身を除く): 15946577446

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1613, 3226, 8065, 16130, 27271, 54542, 69359, 136355, 138718, 272710, 346795, 693590, 1172653, 2345306, 5863265, 11726530, 43988123, 87976246, 219940615, 439881230, 1891489289, 3782978578, 9457446445, 18914892890]

約数ペア:

[(1, 18914892890), (2, 9457446445), (5, 3782978578), (10, 1891489289), (43, 439881230), (86, 219940615), (215, 87976246), (430, 43988123), (1613, 11726530), (3226, 5863265), (8065, 2345306), (16130, 1172653), (27271, 693590), (54542, 346795), (69359, 272710), (136355, 138718)]