18957393

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 34245120

約数和(自身を除く): 15287727

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 79, 91, 117, 237, 273, 293, 553, 711, 819, 879, 1027, 1659, 2051, 2637, 3081, 3809, 4977, 6153, 7189, 9243, 11427, 18459, 21567, 23147, 26663, 34281, 64701, 69441, 79989, 162029, 208323, 239967, 300911, 486087, 902733, 1458261, 2106377, 2708199, 6319131, 18957393]

約数ペア:

[(1, 18957393), (3, 6319131), (7, 2708199), (9, 2106377), (13, 1458261), (21, 902733), (39, 486087), (63, 300911), (79, 239967), (91, 208323), (117, 162029), (237, 79989), (273, 69441), (293, 64701), (553, 34281), (711, 26663), (819, 23147), (879, 21567), (1027, 18459), (1659, 11427), (2051, 9243), (2637, 7189), (3081, 6153), (3809, 4977)]