19160120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1669}}^1$

素因数の和:1728

約数の個数: 64

約数和(自身を含む): 50500800

約数和(自身を除く): 31340680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 1669, 2296, 2870, 3338, 5740, 6676, 8345, 11480, 11683, 13352, 16690, 23366, 33380, 46732, 58415, 66760, 68429, 93464, 116830, 136858, 233660, 273716, 342145, 467320, 479003, 547432, 684290, 958006, 1368580, 1916012, 2395015, 2737160, 3832024, 4790030, 9580060, 19160120]

約数ペア:

[(1, 19160120), (2, 9580060), (4, 4790030), (5, 3832024), (7, 2737160), (8, 2395015), (10, 1916012), (14, 1368580), (20, 958006), (28, 684290), (35, 547432), (40, 479003), (41, 467320), (56, 342145), (70, 273716), (82, 233660), (140, 136858), (164, 116830), (205, 93464), (280, 68429), (287, 66760), (328, 58415), (410, 46732), (574, 33380), (820, 23366), (1148, 16690), (1435, 13352), (1640, 11683), (1669, 11480), (2296, 8345), (2870, 6676), (3338, 5740)]