19026296

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 39916800

約数和(自身を除く): 20890504

約数列:

[1, 2, 4, 8, 19, 38, 41, 43, 71, 76, 82, 86, 142, 152, 164, 172, 284, 328, 344, 568, 779, 817, 1349, 1558, 1634, 1763, 2698, 2911, 3053, 3116, 3268, 3526, 5396, 5822, 6106, 6232, 6536, 7052, 10792, 11644, 12212, 14104, 23288, 24424, 33497, 55309, 58007, 66994, 110618, 116014, 125173, 133988, 221236, 232028, 250346, 267976, 442472, 464056, 500692, 1001384, 2378287, 4756574, 9513148, 19026296]

約数ペア:

[(1, 19026296), (2, 9513148), (4, 4756574), (8, 2378287), (19, 1001384), (38, 500692), (41, 464056), (43, 442472), (71, 267976), (76, 250346), (82, 232028), (86, 221236), (142, 133988), (152, 125173), (164, 116014), (172, 110618), (284, 66994), (328, 58007), (344, 55309), (568, 33497), (779, 24424), (817, 23288), (1349, 14104), (1558, 12212), (1634, 11644), (1763, 10792), (2698, 7052), (2911, 6536), (3053, 6232), (3116, 6106), (3268, 5822), (3526, 5396)]