19784618

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23167}}^1$

素因数の和:23237

約数の個数: 16

約数和(自身を含む): 34473984

約数和(自身を除く): 14689366

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23167, 46334, 162169, 324338, 1413187, 2826374, 9892309, 19784618]

約数ペア:

[(1, 19784618), (2, 9892309), (7, 2826374), (14, 1413187), (61, 324338), (122, 162169), (427, 46334), (854, 23167)]