19211209498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1\times {\mathrm{16481}}^1$

素因数の和:17022

約数の個数: 32

約数和(自身を含む): 31400187840

約数和(自身を除く): 12188978342

約数列:

[1, 2, 13, 26, 107, 214, 419, 838, 1391, 2782, 5447, 10894, 16481, 32962, 44833, 89666, 214253, 428506, 582829, 1165658, 1763467, 3526934, 6905539, 13811078, 22925071, 45850142, 89772007, 179544014, 738892673, 1477785346, 9605604749, 19211209498]

約数ペア:

[(1, 19211209498), (2, 9605604749), (13, 1477785346), (26, 738892673), (107, 179544014), (214, 89772007), (419, 45850142), (838, 22925071), (1391, 13811078), (2782, 6905539), (5447, 3526934), (10894, 1763467), (16481, 1165658), (32962, 582829), (44833, 428506), (89666, 214253)]