18821947014

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1870597}}^1$

素因数の和:1870661

約数の個数: 48

約数和(自身を含む): 44939246352

約数和(自身を除く): 26117299338

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 3354, 5031, 10062, 1870597, 3741194, 5611791, 11223582, 16835373, 24317761, 33670746, 48635522, 72953283, 80435671, 145906566, 160871342, 218859849, 241307013, 437719698, 482614026, 723921039, 1045663723, 1447842078, 2091327446, 3136991169, 6273982338, 9410973507, 18821947014]

約数ペア:

[(1, 18821947014), (2, 9410973507), (3, 6273982338), (6, 3136991169), (9, 2091327446), (13, 1447842078), (18, 1045663723), (26, 723921039), (39, 482614026), (43, 437719698), (78, 241307013), (86, 218859849), (117, 160871342), (129, 145906566), (234, 80435671), (258, 72953283), (387, 48635522), (559, 33670746), (774, 24317761), (1118, 16835373), (1677, 11223582), (3354, 5611791), (5031, 3741194), (10062, 1870597)]