18879084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3979

約数の個数: 72

約数和(自身を含む): 57424640

約数和(自身を除く): 38545556

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 3943, 4788, 7886, 11829, 15772, 23658, 27601, 35487, 47316, 55202, 70974, 74917, 82803, 110404, 141948, 149834, 165606, 224751, 248409, 299668, 331212, 449502, 496818, 524419, 674253, 899004, 993636, 1048838, 1348506, 1573257, 2097676, 2697012, 3146514, 4719771, 6293028, 9439542, 18879084]

約数ペア:

[(1, 18879084), (2, 9439542), (3, 6293028), (4, 4719771), (6, 3146514), (7, 2697012), (9, 2097676), (12, 1573257), (14, 1348506), (18, 1048838), (19, 993636), (21, 899004), (28, 674253), (36, 524419), (38, 496818), (42, 449502), (57, 331212), (63, 299668), (76, 248409), (84, 224751), (114, 165606), (126, 149834), (133, 141948), (171, 110404), (228, 82803), (252, 74917), (266, 70974), (342, 55202), (399, 47316), (532, 35487), (684, 27601), (798, 23658), (1197, 15772), (1596, 11829), (2394, 7886), (3943, 4788)]