209230318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3821}}^1$

素因数の和:3984

約数の個数: 32

約数和(自身を含む): 363242880

約数和(自身を除く): 154012562

約数列:

[1, 2, 11, 19, 22, 38, 131, 209, 262, 418, 1441, 2489, 2882, 3821, 4978, 7642, 27379, 42031, 54758, 72599, 84062, 145198, 500551, 798589, 1001102, 1597178, 5506061, 9510469, 11012122, 19020938, 104615159, 209230318]

約数ペア:

[(1, 209230318), (2, 104615159), (11, 19020938), (19, 11012122), (22, 9510469), (38, 5506061), (131, 1597178), (209, 1001102), (262, 798589), (418, 500551), (1441, 145198), (2489, 84062), (2882, 72599), (3821, 54758), (4978, 42031), (7642, 27379)]