19996730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1010

約数の個数: 32

約数和(自身を含む): 39012624

約数和(自身を除く): 19015894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 797, 965, 1594, 1930, 2509, 3985, 5018, 7970, 10361, 12545, 20722, 25090, 51805, 103610, 153821, 307642, 769105, 1538210, 1999673, 3999346, 9998365, 19996730]

約数ペア:

[(1, 19996730), (2, 9998365), (5, 3999346), (10, 1999673), (13, 1538210), (26, 769105), (65, 307642), (130, 153821), (193, 103610), (386, 51805), (797, 25090), (965, 20722), (1594, 12545), (1930, 10361), (2509, 7970), (3985, 5018)]