19378172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6203}}^1$

素因数の和:6289

約数の個数: 24

約数和(自身を含む): 37521792

約数和(自身を除く): 18143620

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 6203, 12406, 24812, 68233, 136466, 272932, 440413, 880826, 1761652, 4844543, 9689086, 19378172]

約数ペア:

[(1, 19378172), (2, 9689086), (4, 4844543), (11, 1761652), (22, 880826), (44, 440413), (71, 272932), (142, 136466), (284, 68233), (781, 24812), (1562, 12406), (3124, 6203)]