19898536

素因数分解:

$2^3\times 7^1\times {\mathrm{355331}}^1$

素因数の和:355344

約数の個数: 16

約数和(自身を含む): 42639840

約数和(自身を除く): 22741304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 355331, 710662, 1421324, 2487317, 2842648, 4974634, 9949268, 19898536]

約数ペア:

[(1, 19898536), (2, 9949268), (4, 4974634), (7, 2842648), (8, 2487317), (14, 1421324), (28, 710662), (56, 355331)]