19488290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 20169310

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 59, 67, 85, 118, 134, 145, 170, 290, 295, 335, 493, 590, 670, 986, 1003, 1139, 1711, 1943, 2006, 2278, 2465, 3422, 3886, 3953, 4930, 5015, 5695, 7906, 8555, 9715, 10030, 11390, 17110, 19430, 19765, 29087, 33031, 39530, 58174, 66062, 67201, 114637, 134402, 145435, 165155, 229274, 290870, 330310, 336005, 573185, 672010, 1146370, 1948829, 3897658, 9744145, 19488290]

約数ペア:

[(1, 19488290), (2, 9744145), (5, 3897658), (10, 1948829), (17, 1146370), (29, 672010), (34, 573185), (58, 336005), (59, 330310), (67, 290870), (85, 229274), (118, 165155), (134, 145435), (145, 134402), (170, 114637), (290, 67201), (295, 66062), (335, 58174), (493, 39530), (590, 33031), (670, 29087), (986, 19765), (1003, 19430), (1139, 17110), (1711, 11390), (1943, 10030), (2006, 9715), (2278, 8555), (2465, 7906), (3422, 5695), (3886, 5015), (3953, 4930)]