19090578

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 42110496

約数和(自身を除く): 23019918

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 169, 201, 281, 338, 402, 507, 562, 843, 871, 1014, 1686, 1742, 2613, 3653, 5226, 7306, 10959, 11323, 18827, 21918, 22646, 33969, 37654, 47489, 56481, 67938, 94978, 112962, 142467, 244751, 284934, 489502, 734253, 1468506, 3181763, 6363526, 9545289, 19090578]

約数ペア:

[(1, 19090578), (2, 9545289), (3, 6363526), (6, 3181763), (13, 1468506), (26, 734253), (39, 489502), (67, 284934), (78, 244751), (134, 142467), (169, 112962), (201, 94978), (281, 67938), (338, 56481), (402, 47489), (507, 37654), (562, 33969), (843, 22646), (871, 21918), (1014, 18827), (1686, 11323), (1742, 10959), (2613, 7306), (3653, 5226)]