19690462

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:336

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 13694498

約数列:

[1, 2, 11, 22, 47, 94, 137, 139, 274, 278, 517, 1034, 1507, 1529, 3014, 3058, 6439, 6533, 12878, 13066, 19043, 38086, 70829, 71863, 141658, 143726, 209473, 418946, 895021, 1790042, 9845231, 19690462]

約数ペア:

[(1, 19690462), (2, 9845231), (11, 1790042), (22, 895021), (47, 418946), (94, 209473), (137, 143726), (139, 141658), (274, 71863), (278, 70829), (517, 38086), (1034, 19043), (1507, 13066), (1529, 12878), (3014, 6533), (3058, 6439)]