18558828

素因数分解:

$2^2\times 3^3\times {\mathrm{239}}^1\times {\mathrm{719}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 48384000

約数和(自身を除く): 29825172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 239, 478, 717, 719, 956, 1434, 1438, 2151, 2157, 2868, 2876, 4302, 4314, 6453, 6471, 8604, 8628, 12906, 12942, 19413, 25812, 25884, 38826, 77652, 171841, 343682, 515523, 687364, 1031046, 1546569, 2062092, 3093138, 4639707, 6186276, 9279414, 18558828]

約数ペア:

[(1, 18558828), (2, 9279414), (3, 6186276), (4, 4639707), (6, 3093138), (9, 2062092), (12, 1546569), (18, 1031046), (27, 687364), (36, 515523), (54, 343682), (108, 171841), (239, 77652), (478, 38826), (717, 25884), (719, 25812), (956, 19413), (1434, 12942), (1438, 12906), (2151, 8628), (2157, 8604), (2868, 6471), (2876, 6453), (4302, 4314)]