19406192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1181}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 41039040

約数和(自身を除く): 21632848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1181, 1264, 2054, 2362, 4108, 4724, 8216, 9448, 15353, 16432, 18896, 30706, 61412, 93299, 122824, 186598, 245648, 373196, 746392, 1212887, 1492784, 2425774, 4851548, 9703096, 19406192]

約数ペア:

[(1, 19406192), (2, 9703096), (4, 4851548), (8, 2425774), (13, 1492784), (16, 1212887), (26, 746392), (52, 373196), (79, 245648), (104, 186598), (158, 122824), (208, 93299), (316, 61412), (632, 30706), (1027, 18896), (1181, 16432), (1264, 15353), (2054, 9448), (2362, 8216), (4108, 4724)]