19098211

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 23846400

約数和(自身を除く): 4748189

約数列:

[1, 11, 19, 23, 29, 137, 209, 253, 319, 437, 551, 667, 1507, 2603, 3151, 3973, 4807, 6061, 7337, 12673, 28633, 34661, 43703, 59869, 75487, 91379, 139403, 658559, 830357, 1005169, 1736201, 19098211]

約数ペア:

[(1, 19098211), (11, 1736201), (19, 1005169), (23, 830357), (29, 658559), (137, 139403), (209, 91379), (253, 75487), (319, 59869), (437, 43703), (551, 34661), (667, 28633), (1507, 12673), (2603, 7337), (3151, 6061), (3973, 4807)]