19855066

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4210

約数の個数: 32

約数和(自身を含む): 38338560

約数和(自身を除く): 18483494

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4159, 4774, 8318, 29113, 45749, 58226, 91498, 128929, 257858, 320243, 640486, 902503, 1418219, 1805006, 2836438, 9927533, 19855066]

約数ペア:

[(1, 19855066), (2, 9927533), (7, 2836438), (11, 1805006), (14, 1418219), (22, 902503), (31, 640486), (62, 320243), (77, 257858), (154, 128929), (217, 91498), (341, 58226), (434, 45749), (682, 29113), (2387, 8318), (4159, 4774)]