19039371

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:140

約数の個数: 36

約数和(自身を含む): 29738232

約数和(自身を除く): 10698861

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 169, 221, 507, 611, 663, 799, 1833, 2209, 2397, 2873, 6627, 7943, 8619, 10387, 23829, 28717, 31161, 37553, 86151, 112659, 135031, 373321, 405093, 488189, 1119963, 1464567, 6346457, 19039371]

約数ペア:

[(1, 19039371), (3, 6346457), (13, 1464567), (17, 1119963), (39, 488189), (47, 405093), (51, 373321), (141, 135031), (169, 112659), (221, 86151), (507, 37553), (611, 31161), (663, 28717), (799, 23829), (1833, 10387), (2209, 8619), (2397, 7943), (2873, 6627)]