19915472

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{33641}}^1$

素因数の和:33686

約数の個数: 20

約数和(自身を含む): 39630276

約数和(自身を除く): 19714804

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 33641, 67282, 134564, 269128, 538256, 1244717, 2489434, 4978868, 9957736, 19915472]

約数ペア:

[(1, 19915472), (2, 9957736), (4, 4978868), (8, 2489434), (16, 1244717), (37, 538256), (74, 269128), (148, 134564), (296, 67282), (592, 33641)]