18640206

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 46103904

約数和(自身を除く): 27463698

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 53, 54, 78, 81, 106, 117, 159, 162, 167, 234, 318, 334, 351, 477, 501, 689, 702, 954, 1002, 1053, 1378, 1431, 1503, 2067, 2106, 2171, 2862, 3006, 4134, 4293, 4342, 4509, 6201, 6513, 8586, 8851, 9018, 12402, 13026, 13527, 17702, 18603, 19539, 26553, 27054, 37206, 39078, 53106, 55809, 58617, 79659, 111618, 115063, 117234, 159318, 175851, 230126, 238977, 345189, 351702, 477954, 690378, 716931, 1035567, 1433862, 2071134, 3106701, 6213402, 9320103, 18640206]

約数ペア:

[(1, 18640206), (2, 9320103), (3, 6213402), (6, 3106701), (9, 2071134), (13, 1433862), (18, 1035567), (26, 716931), (27, 690378), (39, 477954), (53, 351702), (54, 345189), (78, 238977), (81, 230126), (106, 175851), (117, 159318), (159, 117234), (162, 115063), (167, 111618), (234, 79659), (318, 58617), (334, 55809), (351, 53106), (477, 39078), (501, 37206), (689, 27054), (702, 26553), (954, 19539), (1002, 18603), (1053, 17702), (1378, 13527), (1431, 13026), (1503, 12402), (2067, 9018), (2106, 8851), (2171, 8586), (2862, 6513), (3006, 6201), (4134, 4509), (4293, 4342)]