19117744

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16829}}^1$

素因数の和:16908

約数の個数: 20

約数和(自身を含む): 37564560

約数和(自身を除く): 18446816

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16829, 33658, 67316, 134632, 269264, 1194859, 2389718, 4779436, 9558872, 19117744]

約数ペア:

[(1, 19117744), (2, 9558872), (4, 4779436), (8, 2389718), (16, 1194859), (71, 269264), (142, 134632), (284, 67316), (568, 33658), (1136, 16829)]