19104721559

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{129293}}^1$

素因数の和:129431

約数の個数: 32

約数和(自身を含む): 25320936960

約数和(自身を除く): 6216215401

約数列:

[1, 7, 11, 19, 77, 101, 133, 209, 707, 1111, 1463, 1919, 7777, 13433, 21109, 129293, 147763, 905051, 1422223, 2456567, 9955561, 13058593, 17195969, 27022237, 91410151, 143644523, 189155659, 248113267, 1005511661, 1736792869, 2729245937, 19104721559]

約数ペア:

[(1, 19104721559), (7, 2729245937), (11, 1736792869), (19, 1005511661), (77, 248113267), (101, 189155659), (133, 143644523), (209, 91410151), (707, 27022237), (1111, 17195969), (1463, 13058593), (1919, 9955561), (7777, 2456567), (13433, 1422223), (21109, 905051), (129293, 147763)]