19453902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 42069888

約数和(自身を除く): 22615986

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 443, 563, 886, 1126, 1329, 1689, 2658, 3378, 5759, 7319, 11518, 14638, 17277, 21957, 34554, 43914, 249409, 498818, 748227, 1496454, 3242317, 6484634, 9726951, 19453902]

約数ペア:

[(1, 19453902), (2, 9726951), (3, 6484634), (6, 3242317), (13, 1496454), (26, 748227), (39, 498818), (78, 249409), (443, 43914), (563, 34554), (886, 21957), (1126, 17277), (1329, 14638), (1689, 11518), (2658, 7319), (3378, 5759)]