19150664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2069}}^1$

素因数の和:2177

約数の個数: 32

約数和(自身を含む): 39123000

約数和(自身を除く): 19972336

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2069, 2314, 4138, 4628, 8276, 9256, 16552, 26897, 53794, 107588, 184141, 215176, 368282, 736564, 1473128, 2393833, 4787666, 9575332, 19150664]

約数ペア:

[(1, 19150664), (2, 9575332), (4, 4787666), (8, 2393833), (13, 1473128), (26, 736564), (52, 368282), (89, 215176), (104, 184141), (178, 107588), (356, 53794), (712, 26897), (1157, 16552), (2069, 9256), (2314, 8276), (4138, 4628)]