18412444

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 34948368

約数和(自身を除く): 16535924

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 311, 361, 622, 722, 779, 1244, 1444, 1558, 3116, 5909, 11818, 12751, 14801, 23636, 25502, 29602, 51004, 59204, 112271, 224542, 242269, 449084, 484538, 969076, 4603111, 9206222, 18412444]

約数ペア:

[(1, 18412444), (2, 9206222), (4, 4603111), (19, 969076), (38, 484538), (41, 449084), (76, 242269), (82, 224542), (164, 112271), (311, 59204), (361, 51004), (622, 29602), (722, 25502), (779, 23636), (1244, 14801), (1444, 12751), (1558, 11818), (3116, 5909)]