18389826

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 49969920

約数和(自身を除く): 31580094

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 103, 109, 117, 126, 182, 206, 218, 234, 273, 309, 327, 546, 618, 654, 721, 763, 819, 927, 981, 1339, 1417, 1442, 1526, 1638, 1854, 1962, 2163, 2289, 2678, 2834, 4017, 4251, 4326, 4578, 6489, 6867, 8034, 8502, 9373, 9919, 11227, 12051, 12753, 12978, 13734, 18746, 19838, 22454, 24102, 25506, 28119, 29757, 33681, 56238, 59514, 67362, 78589, 84357, 89271, 101043, 145951, 157178, 168714, 178542, 202086, 235767, 291902, 437853, 471534, 707301, 875706, 1021657, 1313559, 1414602, 2043314, 2627118, 3064971, 6129942, 9194913, 18389826]

約数ペア:

[(1, 18389826), (2, 9194913), (3, 6129942), (6, 3064971), (7, 2627118), (9, 2043314), (13, 1414602), (14, 1313559), (18, 1021657), (21, 875706), (26, 707301), (39, 471534), (42, 437853), (63, 291902), (78, 235767), (91, 202086), (103, 178542), (109, 168714), (117, 157178), (126, 145951), (182, 101043), (206, 89271), (218, 84357), (234, 78589), (273, 67362), (309, 59514), (327, 56238), (546, 33681), (618, 29757), (654, 28119), (721, 25506), (763, 24102), (819, 22454), (927, 19838), (981, 18746), (1339, 13734), (1417, 12978), (1442, 12753), (1526, 12051), (1638, 11227), (1854, 9919), (1962, 9373), (2163, 8502), (2289, 8034), (2678, 6867), (2834, 6489), (4017, 4578), (4251, 4326)]