19776722

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{523}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 35363712

約数和(自身を除く): 15586990

約数列:

[1, 2, 7, 14, 37, 73, 74, 146, 259, 511, 518, 523, 1022, 1046, 2701, 3661, 5402, 7322, 18907, 19351, 37814, 38179, 38702, 76358, 135457, 267253, 270914, 534506, 1412623, 2825246, 9888361, 19776722]

約数ペア:

[(1, 19776722), (2, 9888361), (7, 2825246), (14, 1412623), (37, 534506), (73, 270914), (74, 267253), (146, 135457), (259, 76358), (511, 38702), (518, 38179), (523, 37814), (1022, 19351), (1046, 18907), (2701, 7322), (3661, 5402)]