19719604

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 35417088

約数和(自身を除く): 15697484

約数列:

[1, 2, 4, 53, 106, 191, 212, 382, 487, 764, 974, 1948, 10123, 20246, 25811, 40492, 51622, 93017, 103244, 186034, 372068, 4929901, 9859802, 19719604]

約数ペア:

[(1, 19719604), (2, 9859802), (4, 4929901), (53, 372068), (106, 186034), (191, 103244), (212, 93017), (382, 51622), (487, 40492), (764, 25811), (974, 20246), (1948, 10123)]