19965528

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{2801}}^1$

素因数の和:2830

約数の個数: 80

約数和(自身を含む): 61027560

約数和(自身を除く): 41062032

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 264, 297, 324, 396, 594, 648, 792, 891, 1188, 1782, 2376, 2801, 3564, 5602, 7128, 8403, 11204, 16806, 22408, 25209, 30811, 33612, 50418, 61622, 67224, 75627, 92433, 100836, 123244, 151254, 184866, 201672, 226881, 246488, 277299, 302508, 369732, 453762, 554598, 605016, 739464, 831897, 907524, 1109196, 1663794, 1815048, 2218392, 2495691, 3327588, 4991382, 6655176, 9982764, 19965528]

約数ペア:

[(1, 19965528), (2, 9982764), (3, 6655176), (4, 4991382), (6, 3327588), (8, 2495691), (9, 2218392), (11, 1815048), (12, 1663794), (18, 1109196), (22, 907524), (24, 831897), (27, 739464), (33, 605016), (36, 554598), (44, 453762), (54, 369732), (66, 302508), (72, 277299), (81, 246488), (88, 226881), (99, 201672), (108, 184866), (132, 151254), (162, 123244), (198, 100836), (216, 92433), (264, 75627), (297, 67224), (324, 61622), (396, 50418), (594, 33612), (648, 30811), (792, 25209), (891, 22408), (1188, 16806), (1782, 11204), (2376, 8403), (2801, 7128), (3564, 5602)]