18211270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 41596416

約数和(自身を除く): 23385146

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 67, 70, 77, 110, 134, 154, 335, 353, 385, 469, 670, 706, 737, 770, 938, 1474, 1765, 2345, 2471, 3530, 3685, 3883, 4690, 4942, 5159, 7370, 7766, 10318, 12355, 19415, 23651, 24710, 25795, 27181, 38830, 47302, 51590, 54362, 118255, 135905, 165557, 236510, 260161, 271810, 331114, 520322, 827785, 1300805, 1655570, 1821127, 2601610, 3642254, 9105635, 18211270]

約数ペア:

[(1, 18211270), (2, 9105635), (5, 3642254), (7, 2601610), (10, 1821127), (11, 1655570), (14, 1300805), (22, 827785), (35, 520322), (55, 331114), (67, 271810), (70, 260161), (77, 236510), (110, 165557), (134, 135905), (154, 118255), (335, 54362), (353, 51590), (385, 47302), (469, 38830), (670, 27181), (706, 25795), (737, 24710), (770, 23651), (938, 19415), (1474, 12355), (1765, 10318), (2345, 7766), (2471, 7370), (3530, 5159), (3685, 4942), (3883, 4690)]