18884936

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17749}}^1$

素因数の和:17781

約数の個数: 32

約数和(自身を含む): 42600000

約数和(自身を除く): 23715064

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 17749, 35498, 70996, 124243, 141992, 248486, 337231, 496972, 674462, 993944, 1348924, 2360617, 2697848, 4721234, 9442468, 18884936]

約数ペア:

[(1, 18884936), (2, 9442468), (4, 4721234), (7, 2697848), (8, 2360617), (14, 1348924), (19, 993944), (28, 674462), (38, 496972), (56, 337231), (76, 248486), (133, 141992), (152, 124243), (266, 70996), (532, 35498), (1064, 17749)]