18711004996

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 33316864000

約数和(自身を除く): 14605859004

約数列:

[1, 2, 4, 127, 223, 254, 331, 446, 499, 508, 662, 892, 998, 1324, 1996, 28321, 42037, 56642, 63373, 73813, 84074, 111277, 113284, 126746, 147626, 165169, 168148, 222554, 253492, 295252, 330338, 445108, 660676, 9374251, 14132179, 18748502, 20976463, 28264358, 36832687, 37497004, 41952926, 56528716, 73665374, 83905852, 147330748, 4677751249, 9355502498, 18711004996]

約数ペア:

[(1, 18711004996), (2, 9355502498), (4, 4677751249), (127, 147330748), (223, 83905852), (254, 73665374), (331, 56528716), (446, 41952926), (499, 37497004), (508, 36832687), (662, 28264358), (892, 20976463), (998, 18748502), (1324, 14132179), (1996, 9374251), (28321, 660676), (42037, 445108), (56642, 330338), (63373, 295252), (73813, 253492), (84074, 222554), (111277, 168148), (113284, 165169), (126746, 147626)]