18781510244

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:1033

約数の個数: 96

約数和(自身を含む): 39100723200

約数和(自身を除く): 20319212956

約数列:

[1, 2, 4, 7, 14, 28, 43, 79, 86, 158, 172, 301, 316, 379, 521, 553, 602, 758, 1042, 1106, 1204, 1516, 2084, 2212, 2653, 3397, 3647, 5306, 6794, 7294, 10612, 13588, 14588, 16297, 22403, 23779, 29941, 32594, 41159, 44806, 47558, 59882, 65188, 82318, 89612, 95116, 114079, 119764, 156821, 164636, 197459, 209587, 228158, 288113, 313642, 394918, 419174, 456316, 576226, 627284, 789836, 838348, 1152452, 1287463, 1382213, 1769837, 2574926, 2764426, 3539674, 5149852, 5528852, 7079348, 8490737, 9012241, 12388859, 15599261, 16981474, 18024482, 24777718, 31198522, 33962948, 36048964, 49555436, 59435159, 62397044, 109194827, 118870318, 218389654, 237740636, 436779308, 670768223, 1341536446, 2683072892, 4695377561, 9390755122, 18781510244]

約数ペア:

[(1, 18781510244), (2, 9390755122), (4, 4695377561), (7, 2683072892), (14, 1341536446), (28, 670768223), (43, 436779308), (79, 237740636), (86, 218389654), (158, 118870318), (172, 109194827), (301, 62397044), (316, 59435159), (379, 49555436), (521, 36048964), (553, 33962948), (602, 31198522), (758, 24777718), (1042, 18024482), (1106, 16981474), (1204, 15599261), (1516, 12388859), (2084, 9012241), (2212, 8490737), (2653, 7079348), (3397, 5528852), (3647, 5149852), (5306, 3539674), (6794, 2764426), (7294, 2574926), (10612, 1769837), (13588, 1382213), (14588, 1287463), (16297, 1152452), (22403, 838348), (23779, 789836), (29941, 627284), (32594, 576226), (41159, 456316), (44806, 419174), (47558, 394918), (59882, 313642), (65188, 288113), (82318, 228158), (89612, 209587), (95116, 197459), (114079, 164636), (119764, 156821)]