18469898876

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{4783}}^1$

素因数の和:5011

約数の個数: 96

約数和(自身を含む): 39111840768

約数和(自身を除く): 20641941892

約数列:

[1, 2, 4, 11, 13, 22, 26, 43, 44, 52, 86, 143, 157, 172, 286, 314, 473, 559, 572, 628, 946, 1118, 1727, 1892, 2041, 2236, 3454, 4082, 4783, 6149, 6751, 6908, 8164, 9566, 12298, 13502, 19132, 22451, 24596, 27004, 44902, 52613, 62179, 74261, 87763, 89804, 105226, 124358, 148522, 175526, 205669, 210452, 248716, 297044, 351052, 411338, 683969, 750931, 822676, 965393, 1367938, 1501862, 1930786, 2262359, 2673697, 2735876, 3003724, 3861572, 4524718, 5347394, 8260241, 9049436, 9762103, 10694788, 16520482, 19524206, 29410667, 32290033, 33040964, 39048412, 58821334, 64580066, 107383133, 117642668, 129160132, 214766266, 355190363, 419770429, 429532532, 710380726, 839540858, 1420761452, 1679081716, 4617474719, 9234949438, 18469898876]

約数ペア:

[(1, 18469898876), (2, 9234949438), (4, 4617474719), (11, 1679081716), (13, 1420761452), (22, 839540858), (26, 710380726), (43, 429532532), (44, 419770429), (52, 355190363), (86, 214766266), (143, 129160132), (157, 117642668), (172, 107383133), (286, 64580066), (314, 58821334), (473, 39048412), (559, 33040964), (572, 32290033), (628, 29410667), (946, 19524206), (1118, 16520482), (1727, 10694788), (1892, 9762103), (2041, 9049436), (2236, 8260241), (3454, 5347394), (4082, 4524718), (4783, 3861572), (6149, 3003724), (6751, 2735876), (6908, 2673697), (8164, 2262359), (9566, 1930786), (12298, 1501862), (13502, 1367938), (19132, 965393), (22451, 822676), (24596, 750931), (27004, 683969), (44902, 411338), (52613, 351052), (62179, 297044), (74261, 248716), (87763, 210452), (89804, 205669), (105226, 175526), (124358, 148522)]