19718314

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 20924246

約数列:

[1, 2, 7, 11, 14, 19, 22, 23, 38, 46, 77, 133, 154, 161, 209, 253, 266, 293, 322, 418, 437, 506, 586, 874, 1463, 1771, 2051, 2926, 3059, 3223, 3542, 4102, 4807, 5567, 6118, 6446, 6739, 9614, 11134, 13478, 22561, 33649, 38969, 45122, 47173, 61237, 67298, 74129, 77938, 94346, 122474, 128041, 148258, 256082, 428659, 518903, 857318, 896287, 1037806, 1408451, 1792574, 2816902, 9859157, 19718314]

約数ペア:

[(1, 19718314), (2, 9859157), (7, 2816902), (11, 1792574), (14, 1408451), (19, 1037806), (22, 896287), (23, 857318), (38, 518903), (46, 428659), (77, 256082), (133, 148258), (154, 128041), (161, 122474), (209, 94346), (253, 77938), (266, 74129), (293, 67298), (322, 61237), (418, 47173), (437, 45122), (506, 38969), (586, 33649), (874, 22561), (1463, 13478), (1771, 11134), (2051, 9614), (2926, 6739), (3059, 6446), (3223, 6118), (3542, 5567), (4102, 4807)]