19105674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26513526

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 71, 86, 129, 142, 149, 213, 258, 298, 301, 426, 447, 497, 602, 894, 903, 994, 1043, 1491, 1806, 2086, 2982, 3053, 3129, 6106, 6258, 6407, 9159, 10579, 12814, 18318, 19221, 21158, 21371, 31737, 38442, 42742, 44849, 63474, 64113, 74053, 89698, 128226, 134547, 148106, 222159, 269094, 444318, 454897, 909794, 1364691, 2729382, 3184279, 6368558, 9552837, 19105674]

約数ペア:

[(1, 19105674), (2, 9552837), (3, 6368558), (6, 3184279), (7, 2729382), (14, 1364691), (21, 909794), (42, 454897), (43, 444318), (71, 269094), (86, 222159), (129, 148106), (142, 134547), (149, 128226), (213, 89698), (258, 74053), (298, 64113), (301, 63474), (426, 44849), (447, 42742), (497, 38442), (602, 31737), (894, 21371), (903, 21158), (994, 19221), (1043, 18318), (1491, 12814), (1806, 10579), (2086, 9159), (2982, 6407), (3053, 6258), (3129, 6106)]