19969390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 44198784

約数和(自身を除く): 24229394

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 97, 119, 170, 173, 194, 238, 346, 485, 595, 679, 865, 970, 1190, 1211, 1358, 1649, 1730, 2422, 2941, 3298, 3395, 5882, 6055, 6790, 8245, 11543, 12110, 14705, 16490, 16781, 20587, 23086, 29410, 33562, 41174, 57715, 83905, 102935, 115430, 117467, 167810, 205870, 234934, 285277, 570554, 587335, 1174670, 1426385, 1996939, 2852770, 3993878, 9984695, 19969390]

約数ペア:

[(1, 19969390), (2, 9984695), (5, 3993878), (7, 2852770), (10, 1996939), (14, 1426385), (17, 1174670), (34, 587335), (35, 570554), (70, 285277), (85, 234934), (97, 205870), (119, 167810), (170, 117467), (173, 115430), (194, 102935), (238, 83905), (346, 57715), (485, 41174), (595, 33562), (679, 29410), (865, 23086), (970, 20587), (1190, 16781), (1211, 16490), (1358, 14705), (1649, 12110), (1730, 11543), (2422, 8245), (2941, 6790), (3298, 6055), (3395, 5882)]