19488172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7507}}^1$

素因数の和:7581

約数の個数: 24

約数和(自身を含む): 37840320

約数和(自身を除く): 18352148

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7507, 15014, 30028, 82577, 165154, 330308, 442913, 885826, 1771652, 4872043, 9744086, 19488172]

約数ペア:

[(1, 19488172), (2, 9744086), (4, 4872043), (11, 1771652), (22, 885826), (44, 442913), (59, 330308), (118, 165154), (236, 82577), (649, 30028), (1298, 15014), (2596, 7507)]