19031408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 40818816

約数和(自身を除く): 21787408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 71, 88, 142, 176, 284, 568, 781, 1136, 1523, 1562, 3046, 3124, 6092, 6248, 12184, 12496, 16753, 24368, 33506, 67012, 108133, 134024, 216266, 268048, 432532, 865064, 1189463, 1730128, 2378926, 4757852, 9515704, 19031408]

約数ペア:

[(1, 19031408), (2, 9515704), (4, 4757852), (8, 2378926), (11, 1730128), (16, 1189463), (22, 865064), (44, 432532), (71, 268048), (88, 216266), (142, 134024), (176, 108133), (284, 67012), (568, 33506), (781, 24368), (1136, 16753), (1523, 12496), (1562, 12184), (3046, 6248), (3124, 6092)]