19810224

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{6551}}^1$

素因数の和:6575

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 45185616

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 6551, 13102, 19653, 26204, 39306, 45857, 52408, 58959, 78612, 91714, 104816, 117918, 137571, 157224, 176877, 183428, 235836, 275142, 314448, 353754, 366856, 412713, 471672, 550284, 707508, 733712, 825426, 943344, 1100568, 1238139, 1415016, 1650852, 2201136, 2476278, 2830032, 3301704, 4952556, 6603408, 9905112, 19810224]

約数ペア:

[(1, 19810224), (2, 9905112), (3, 6603408), (4, 4952556), (6, 3301704), (7, 2830032), (8, 2476278), (9, 2201136), (12, 1650852), (14, 1415016), (16, 1238139), (18, 1100568), (21, 943344), (24, 825426), (27, 733712), (28, 707508), (36, 550284), (42, 471672), (48, 412713), (54, 366856), (56, 353754), (63, 314448), (72, 275142), (84, 235836), (108, 183428), (112, 176877), (126, 157224), (144, 137571), (168, 117918), (189, 104816), (216, 91714), (252, 78612), (336, 58959), (378, 52408), (432, 45857), (504, 39306), (756, 26204), (1008, 19653), (1512, 13102), (3024, 6551)]