19846890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10501}}^1$

素因数の和:10524

約数の個数: 64

約数和(自身を含む): 60491520

約数和(自身を除く): 40644630

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10501, 21002, 31503, 52505, 63006, 73507, 94509, 105010, 147014, 157515, 189018, 220521, 283527, 315030, 367535, 441042, 472545, 567054, 661563, 735070, 945090, 1102605, 1323126, 1417635, 1984689, 2205210, 2835270, 3307815, 3969378, 6615630, 9923445, 19846890]

約数ペア:

[(1, 19846890), (2, 9923445), (3, 6615630), (5, 3969378), (6, 3307815), (7, 2835270), (9, 2205210), (10, 1984689), (14, 1417635), (15, 1323126), (18, 1102605), (21, 945090), (27, 735070), (30, 661563), (35, 567054), (42, 472545), (45, 441042), (54, 367535), (63, 315030), (70, 283527), (90, 220521), (105, 189018), (126, 157515), (135, 147014), (189, 105010), (210, 94509), (270, 73507), (315, 63006), (378, 52505), (630, 31503), (945, 21002), (1890, 10501)]