18156978918

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1\times {\mathrm{3671}}^1$

素因数の和:4634

約数の個数: 96

約数和(自身を含む): 44268456960

約数和(自身を除く): 26111478042

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 919, 1794, 1838, 2691, 2757, 3671, 5382, 5514, 7342, 8271, 11013, 11947, 16542, 21137, 22026, 23894, 33039, 35841, 42274, 47723, 63411, 66078, 71682, 84433, 95446, 107523, 126822, 143169, 168866, 190233, 215046, 253299, 274781, 286338, 380466, 429507, 506598, 549562, 759897, 824343, 859014, 1097629, 1519794, 1648686, 2195258, 2473029, 3292887, 3373649, 4946058, 6585774, 6747298, 9878661, 10120947, 19757322, 20241894, 30362841, 43857437, 60725682, 77593927, 87714874, 131572311, 155187854, 232781781, 263144622, 394716933, 465563562, 698345343, 789433866, 1008721051, 1396690686, 2017442102, 3026163153, 6052326306, 9078489459, 18156978918]

約数ペア:

[(1, 18156978918), (2, 9078489459), (3, 6052326306), (6, 3026163153), (9, 2017442102), (13, 1396690686), (18, 1008721051), (23, 789433866), (26, 698345343), (39, 465563562), (46, 394716933), (69, 263144622), (78, 232781781), (117, 155187854), (138, 131572311), (207, 87714874), (234, 77593927), (299, 60725682), (414, 43857437), (598, 30362841), (897, 20241894), (919, 19757322), (1794, 10120947), (1838, 9878661), (2691, 6747298), (2757, 6585774), (3671, 4946058), (5382, 3373649), (5514, 3292887), (7342, 2473029), (8271, 2195258), (11013, 1648686), (11947, 1519794), (16542, 1097629), (21137, 859014), (22026, 824343), (23894, 759897), (33039, 549562), (35841, 506598), (42274, 429507), (47723, 380466), (63411, 286338), (66078, 274781), (71682, 253299), (84433, 215046), (95446, 190233), (107523, 168866), (126822, 143169)]