2019921860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1297}}^1\times {\mathrm{7079}}^1$

素因数の和:8396

約数の個数: 48

約数和(自身を含む): 4631679360

約数和(自身を除く): 2611757500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1297, 2594, 5188, 6485, 7079, 12970, 14158, 14267, 25940, 28316, 28534, 35395, 57068, 70790, 71335, 77869, 141580, 142670, 155738, 285340, 311476, 389345, 778690, 1557380, 9181463, 18362926, 36725852, 45907315, 91814630, 100996093, 183629260, 201992186, 403984372, 504980465, 1009960930, 2019921860]

約数ペア:

[(1, 2019921860), (2, 1009960930), (4, 504980465), (5, 403984372), (10, 201992186), (11, 183629260), (20, 100996093), (22, 91814630), (44, 45907315), (55, 36725852), (110, 18362926), (220, 9181463), (1297, 1557380), (2594, 778690), (5188, 389345), (6485, 311476), (7079, 285340), (12970, 155738), (14158, 142670), (14267, 141580), (25940, 77869), (28316, 71335), (28534, 70790), (35395, 57068)]