19557944

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4919}}^1$

素因数の和:5003

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 22950856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4919, 9838, 19676, 34433, 39352, 68866, 137732, 275464, 349249, 698498, 1396996, 2444743, 2793992, 4889486, 9778972, 19557944]

約数ペア:

[(1, 19557944), (2, 9778972), (4, 4889486), (7, 2793992), (8, 2444743), (14, 1396996), (28, 698498), (56, 349249), (71, 275464), (142, 137732), (284, 68866), (497, 39352), (568, 34433), (994, 19676), (1988, 9838), (3976, 4919)]