19840688

素因数分解:

$2^4\times 7^2\times {\mathrm{25307}}^1$

素因数の和:25329

約数の個数: 30

約数和(自身を含む): 44719236

約数和(自身を除く): 24878548

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25307, 50614, 101228, 177149, 202456, 354298, 404912, 708596, 1240043, 1417192, 2480086, 2834384, 4960172, 9920344, 19840688]

約数ペア:

[(1, 19840688), (2, 9920344), (4, 4960172), (7, 2834384), (8, 2480086), (14, 1417192), (16, 1240043), (28, 708596), (49, 404912), (56, 354298), (98, 202456), (112, 177149), (196, 101228), (392, 50614), (784, 25307)]