18900252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 36136548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 252, 358, 419, 537, 716, 838, 1074, 1253, 1257, 1611, 1676, 2148, 2506, 2514, 2933, 3222, 3759, 3771, 5012, 5028, 5866, 6444, 7518, 7542, 8799, 11277, 11732, 15036, 15084, 17598, 22554, 26397, 35196, 45108, 52794, 75001, 105588, 150002, 225003, 300004, 450006, 525007, 675009, 900012, 1050014, 1350018, 1575021, 2100028, 2700036, 3150042, 4725063, 6300084, 9450126, 18900252]

約数ペア:

[(1, 18900252), (2, 9450126), (3, 6300084), (4, 4725063), (6, 3150042), (7, 2700036), (9, 2100028), (12, 1575021), (14, 1350018), (18, 1050014), (21, 900012), (28, 675009), (36, 525007), (42, 450006), (63, 300004), (84, 225003), (126, 150002), (179, 105588), (252, 75001), (358, 52794), (419, 45108), (537, 35196), (716, 26397), (838, 22554), (1074, 17598), (1253, 15084), (1257, 15036), (1611, 11732), (1676, 11277), (2148, 8799), (2506, 7542), (2514, 7518), (2933, 6444), (3222, 5866), (3759, 5028), (3771, 5012)]