19842836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 39965184

約数和(自身を除く): 20122348

約数列:

[1, 2, 4, 13, 23, 26, 46, 47, 52, 92, 94, 188, 299, 353, 598, 611, 706, 1081, 1196, 1222, 1412, 2162, 2444, 4324, 4589, 8119, 9178, 14053, 16238, 16591, 18356, 28106, 32476, 33182, 56212, 66364, 105547, 211094, 215683, 381593, 422188, 431366, 763186, 862732, 1526372, 4960709, 9921418, 19842836]

約数ペア:

[(1, 19842836), (2, 9921418), (4, 4960709), (13, 1526372), (23, 862732), (26, 763186), (46, 431366), (47, 422188), (52, 381593), (92, 215683), (94, 211094), (188, 105547), (299, 66364), (353, 56212), (598, 33182), (611, 32476), (706, 28106), (1081, 18356), (1196, 16591), (1222, 16238), (1412, 14053), (2162, 9178), (2444, 8119), (4324, 4589)]