18449172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 53726400

約数和(自身を除く): 35277228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 252, 358, 409, 537, 716, 818, 1074, 1227, 1253, 1611, 1636, 2148, 2454, 2506, 2863, 3222, 3681, 3759, 4908, 5012, 5726, 6444, 7362, 7518, 8589, 11277, 11452, 14724, 15036, 17178, 22554, 25767, 34356, 45108, 51534, 73211, 103068, 146422, 219633, 292844, 439266, 512477, 658899, 878532, 1024954, 1317798, 1537431, 2049908, 2635596, 3074862, 4612293, 6149724, 9224586, 18449172]

約数ペア:

[(1, 18449172), (2, 9224586), (3, 6149724), (4, 4612293), (6, 3074862), (7, 2635596), (9, 2049908), (12, 1537431), (14, 1317798), (18, 1024954), (21, 878532), (28, 658899), (36, 512477), (42, 439266), (63, 292844), (84, 219633), (126, 146422), (179, 103068), (252, 73211), (358, 51534), (409, 45108), (537, 34356), (716, 25767), (818, 22554), (1074, 17178), (1227, 15036), (1253, 14724), (1611, 11452), (1636, 11277), (2148, 8589), (2454, 7518), (2506, 7362), (2863, 6444), (3222, 5726), (3681, 5012), (3759, 4908)]