19826484

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 48168960

約数和(自身を除く): 28342476

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 223, 239, 372, 446, 478, 669, 717, 892, 956, 1338, 1434, 2676, 2868, 6913, 7409, 13826, 14818, 20739, 22227, 27652, 29636, 41478, 44454, 53297, 82956, 88908, 106594, 159891, 213188, 319782, 639564, 1652207, 3304414, 4956621, 6608828, 9913242, 19826484]

約数ペア:

[(1, 19826484), (2, 9913242), (3, 6608828), (4, 4956621), (6, 3304414), (12, 1652207), (31, 639564), (62, 319782), (93, 213188), (124, 159891), (186, 106594), (223, 88908), (239, 82956), (372, 53297), (446, 44454), (478, 41478), (669, 29636), (717, 27652), (892, 22227), (956, 20739), (1338, 14818), (1434, 13826), (2676, 7409), (2868, 6913)]