18777990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{739}}^1$

素因数の和:778

約数の個数: 96

約数和(自身を含む): 56689920

約数和(自身を除く): 37911930

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 121, 154, 165, 210, 231, 242, 330, 363, 385, 462, 605, 726, 739, 770, 847, 1155, 1210, 1478, 1694, 1815, 2217, 2310, 2541, 3630, 3695, 4235, 4434, 5082, 5173, 7390, 8129, 8470, 10346, 11085, 12705, 15519, 16258, 22170, 24387, 25410, 25865, 31038, 40645, 48774, 51730, 56903, 77595, 81290, 89419, 113806, 121935, 155190, 170709, 178838, 243870, 268257, 284515, 341418, 447095, 536514, 569030, 625933, 853545, 894190, 1251866, 1341285, 1707090, 1877799, 2682570, 3129665, 3755598, 6259330, 9388995, 18777990]

約数ペア:

[(1, 18777990), (2, 9388995), (3, 6259330), (5, 3755598), (6, 3129665), (7, 2682570), (10, 1877799), (11, 1707090), (14, 1341285), (15, 1251866), (21, 894190), (22, 853545), (30, 625933), (33, 569030), (35, 536514), (42, 447095), (55, 341418), (66, 284515), (70, 268257), (77, 243870), (105, 178838), (110, 170709), (121, 155190), (154, 121935), (165, 113806), (210, 89419), (231, 81290), (242, 77595), (330, 56903), (363, 51730), (385, 48774), (462, 40645), (605, 31038), (726, 25865), (739, 25410), (770, 24387), (847, 22170), (1155, 16258), (1210, 15519), (1478, 12705), (1694, 11085), (1815, 10346), (2217, 8470), (2310, 8129), (2541, 7390), (3630, 5173), (3695, 5082), (4235, 4434)]