19149104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2141}}^1$

素因数の和:2205

約数の個数: 40

約数和(自身を含む): 40903632

約数和(自身を除く): 21754528

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2141, 2236, 4282, 4472, 8564, 8944, 17128, 27833, 34256, 55666, 92063, 111332, 184126, 222664, 368252, 445328, 736504, 1196819, 1473008, 2393638, 4787276, 9574552, 19149104]

約数ペア:

[(1, 19149104), (2, 9574552), (4, 4787276), (8, 2393638), (13, 1473008), (16, 1196819), (26, 736504), (43, 445328), (52, 368252), (86, 222664), (104, 184126), (172, 111332), (208, 92063), (344, 55666), (559, 34256), (688, 27833), (1118, 17128), (2141, 8944), (2236, 8564), (4282, 4472)]