19899376

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1$

素因数の和:1541

約数の個数: 40

約数和(自身を含む): 44441600

約数和(自身を除く): 24542224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1399, 1778, 2032, 2798, 3556, 5596, 7112, 9793, 11192, 14224, 19586, 22384, 39172, 78344, 156688, 177673, 355346, 710692, 1243711, 1421384, 2487422, 2842768, 4974844, 9949688, 19899376]

約数ペア:

[(1, 19899376), (2, 9949688), (4, 4974844), (7, 2842768), (8, 2487422), (14, 1421384), (16, 1243711), (28, 710692), (56, 355346), (112, 177673), (127, 156688), (254, 78344), (508, 39172), (889, 22384), (1016, 19586), (1399, 14224), (1778, 11192), (2032, 9793), (2798, 7112), (3556, 5596)]