18895212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 55220256

約数和(自身を除く): 36325044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 773, 873, 1164, 1358, 1546, 1746, 2037, 2319, 2716, 3092, 3492, 4074, 4638, 5411, 6111, 6957, 8148, 9276, 10822, 12222, 13914, 16233, 21644, 24444, 27828, 32466, 48699, 64932, 74981, 97398, 149962, 194796, 224943, 299924, 449886, 524867, 674829, 899772, 1049734, 1349658, 1574601, 2099468, 2699316, 3149202, 4723803, 6298404, 9447606, 18895212]

約数ペア:

[(1, 18895212), (2, 9447606), (3, 6298404), (4, 4723803), (6, 3149202), (7, 2699316), (9, 2099468), (12, 1574601), (14, 1349658), (18, 1049734), (21, 899772), (28, 674829), (36, 524867), (42, 449886), (63, 299924), (84, 224943), (97, 194796), (126, 149962), (194, 97398), (252, 74981), (291, 64932), (388, 48699), (582, 32466), (679, 27828), (773, 24444), (873, 21644), (1164, 16233), (1358, 13914), (1546, 12222), (1746, 10822), (2037, 9276), (2319, 8148), (2716, 6957), (3092, 6111), (3492, 5411), (4074, 4638)]