19626867

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:159

約数の個数: 56

約数和(自身を含む): 33664400

約数和(自身を除く): 14037533

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 109, 117, 171, 243, 247, 327, 351, 513, 729, 741, 981, 1053, 1417, 1539, 2071, 2223, 2943, 3159, 4251, 4617, 6213, 6669, 8829, 9477, 12753, 13851, 18639, 20007, 26487, 26923, 38259, 55917, 60021, 79461, 80769, 114777, 167751, 180063, 242307, 344331, 503253, 726921, 1032993, 1509759, 2180763, 6542289, 19626867]

約数ペア:

[(1, 19626867), (3, 6542289), (9, 2180763), (13, 1509759), (19, 1032993), (27, 726921), (39, 503253), (57, 344331), (81, 242307), (109, 180063), (117, 167751), (171, 114777), (243, 80769), (247, 79461), (327, 60021), (351, 55917), (513, 38259), (729, 26923), (741, 26487), (981, 20007), (1053, 18639), (1417, 13851), (1539, 12753), (2071, 9477), (2223, 8829), (2943, 6669), (3159, 6213), (4251, 4617)]