19778976

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9811}}^1$

素因数の和:9834

約数の個数: 72

約数和(自身を含む): 64288224

約数和(自身を除く): 44509248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 9811, 19622, 29433, 39244, 58866, 68677, 78488, 88299, 117732, 137354, 156976, 176598, 206031, 235464, 274708, 313952, 353196, 412062, 470928, 549416, 618093, 706392, 824124, 941856, 1098832, 1236186, 1412784, 1648248, 2197664, 2472372, 2825568, 3296496, 4944744, 6592992, 9889488, 19778976]

約数ペア:

[(1, 19778976), (2, 9889488), (3, 6592992), (4, 4944744), (6, 3296496), (7, 2825568), (8, 2472372), (9, 2197664), (12, 1648248), (14, 1412784), (16, 1236186), (18, 1098832), (21, 941856), (24, 824124), (28, 706392), (32, 618093), (36, 549416), (42, 470928), (48, 412062), (56, 353196), (63, 313952), (72, 274708), (84, 235464), (96, 206031), (112, 176598), (126, 156976), (144, 137354), (168, 117732), (224, 88299), (252, 78488), (288, 68677), (336, 58866), (504, 39244), (672, 29433), (1008, 19622), (2016, 9811)]