18219880786

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{53411}}^1$

素因数の和:53670

約数の個数: 32

約数和(自身を含む): 29534699520

約数和(自身を除く): 11314818734

約数列:

[1, 2, 19, 38, 47, 94, 191, 382, 893, 1786, 3629, 7258, 8977, 17954, 53411, 106822, 170563, 341126, 1014809, 2029618, 2510317, 5020634, 10201501, 20403002, 47696023, 95392046, 193828519, 387657038, 479470547, 958941094, 9109940393, 18219880786]

約数ペア:

[(1, 18219880786), (2, 9109940393), (19, 958941094), (38, 479470547), (47, 387657038), (94, 193828519), (191, 95392046), (382, 47696023), (893, 20403002), (1786, 10201501), (3629, 5020634), (7258, 2510317), (8977, 2029618), (17954, 1014809), (53411, 341126), (106822, 170563)]