19867510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2281}}^1$

素因数の和:2368

約数の個数: 32

約数和(自身を含む): 39104352

約数和(自身を除く): 19236842

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2281, 4355, 4562, 8710, 11405, 22810, 29653, 59306, 148265, 152827, 296530, 305654, 764135, 1528270, 1986751, 3973502, 9933755, 19867510]

約数ペア:

[(1, 19867510), (2, 9933755), (5, 3973502), (10, 1986751), (13, 1528270), (26, 764135), (65, 305654), (67, 296530), (130, 152827), (134, 148265), (335, 59306), (670, 29653), (871, 22810), (1742, 11405), (2281, 8710), (4355, 4562)]