18800804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 38734080

約数和(自身を除く): 19933276

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 523, 817, 836, 946, 1046, 1634, 1892, 2092, 3268, 5753, 8987, 9937, 11506, 17974, 19874, 22489, 23012, 35948, 39748, 44978, 89956, 109307, 218614, 247379, 427291, 437228, 494758, 854582, 989516, 1709164, 4700201, 9400402, 18800804]

約数ペア:

[(1, 18800804), (2, 9400402), (4, 4700201), (11, 1709164), (19, 989516), (22, 854582), (38, 494758), (43, 437228), (44, 427291), (76, 247379), (86, 218614), (172, 109307), (209, 89956), (418, 44978), (473, 39748), (523, 35948), (817, 23012), (836, 22489), (946, 19874), (1046, 17974), (1634, 11506), (1892, 9937), (2092, 8987), (3268, 5753)]