19895493890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1746751}}^1$

素因数の和:1746842

約数の個数: 32

約数和(自身を含む): 38484440064

約数和(自身を除く): 18588946174

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 5695, 11390, 1746751, 3493502, 8733755, 17467510, 29694767, 59389534, 117032317, 148473835, 234064634, 296947670, 585161585, 1170323170, 1989549389, 3979098778, 9947746945, 19895493890]

約数ペア:

[(1, 19895493890), (2, 9947746945), (5, 3979098778), (10, 1989549389), (17, 1170323170), (34, 585161585), (67, 296947670), (85, 234064634), (134, 148473835), (170, 117032317), (335, 59389534), (670, 29694767), (1139, 17467510), (2278, 8733755), (5695, 3493502), (11390, 1746751)]