19699488

素因数分解:

$2^5\times 3^2\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1026

約数の個数: 72

約数和(自身を含む): 56848428

約数和(自身を除く): 37148940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 73, 96, 144, 146, 219, 288, 292, 438, 584, 657, 876, 937, 1168, 1314, 1752, 1874, 2336, 2628, 2811, 3504, 3748, 5256, 5622, 7008, 7496, 8433, 10512, 11244, 14992, 16866, 21024, 22488, 29984, 33732, 44976, 67464, 68401, 89952, 134928, 136802, 205203, 269856, 273604, 410406, 547208, 615609, 820812, 1094416, 1231218, 1641624, 2188832, 2462436, 3283248, 4924872, 6566496, 9849744, 19699488]

約数ペア:

[(1, 19699488), (2, 9849744), (3, 6566496), (4, 4924872), (6, 3283248), (8, 2462436), (9, 2188832), (12, 1641624), (16, 1231218), (18, 1094416), (24, 820812), (32, 615609), (36, 547208), (48, 410406), (72, 273604), (73, 269856), (96, 205203), (144, 136802), (146, 134928), (219, 89952), (288, 68401), (292, 67464), (438, 44976), (584, 33732), (657, 29984), (876, 22488), (937, 21024), (1168, 16866), (1314, 14992), (1752, 11244), (1874, 10512), (2336, 8433), (2628, 7496), (2811, 7008), (3504, 5622), (3748, 5256)]