19620711

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 34299144

約数和(自身を除く): 14678433

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 61, 81, 99, 171, 183, 209, 297, 361, 513, 549, 627, 671, 891, 1083, 1159, 1539, 1647, 1881, 2013, 3249, 3477, 3971, 4941, 5643, 6039, 9747, 10431, 11913, 12749, 16929, 18117, 22021, 29241, 31293, 35739, 38247, 54351, 66063, 93879, 107217, 114741, 198189, 242231, 321651, 344223, 594567, 726693, 1032669, 1783701, 2180079, 6540237, 19620711]

約数ペア:

[(1, 19620711), (3, 6540237), (9, 2180079), (11, 1783701), (19, 1032669), (27, 726693), (33, 594567), (57, 344223), (61, 321651), (81, 242231), (99, 198189), (171, 114741), (183, 107217), (209, 93879), (297, 66063), (361, 54351), (513, 38247), (549, 35739), (627, 31293), (671, 29241), (891, 22021), (1083, 18117), (1159, 16929), (1539, 12749), (1647, 11913), (1881, 10431), (2013, 9747), (3249, 6039), (3477, 5643), (3971, 4941)]