201819386

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 317813760

約数和(自身を除く): 115994374

約数列:

[1, 2, 37, 74, 109, 131, 191, 218, 262, 382, 4033, 4847, 7067, 8066, 9694, 14134, 14279, 20819, 25021, 28558, 41638, 50042, 528323, 770303, 925777, 1056646, 1540606, 1851554, 2727289, 5454578, 100909693, 201819386]

約数ペア:

[(1, 201819386), (2, 100909693), (37, 5454578), (74, 2727289), (109, 1851554), (131, 1540606), (191, 1056646), (218, 925777), (262, 770303), (382, 528323), (4033, 50042), (4847, 41638), (7067, 28558), (8066, 25021), (9694, 20819), (14134, 14279)]