18904872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{859}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 54489600

約数和(自身を除く): 35584728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 131, 168, 262, 393, 524, 786, 859, 917, 1048, 1572, 1718, 1834, 2577, 2751, 3144, 3436, 3668, 5154, 5502, 6013, 6872, 7336, 10308, 11004, 12026, 18039, 20616, 22008, 24052, 36078, 48104, 72156, 112529, 144312, 225058, 337587, 450116, 675174, 787703, 900232, 1350348, 1575406, 2363109, 2700696, 3150812, 4726218, 6301624, 9452436, 18904872]

約数ペア:

[(1, 18904872), (2, 9452436), (3, 6301624), (4, 4726218), (6, 3150812), (7, 2700696), (8, 2363109), (12, 1575406), (14, 1350348), (21, 900232), (24, 787703), (28, 675174), (42, 450116), (56, 337587), (84, 225058), (131, 144312), (168, 112529), (262, 72156), (393, 48104), (524, 36078), (786, 24052), (859, 22008), (917, 20616), (1048, 18039), (1572, 12026), (1718, 11004), (1834, 10308), (2577, 7336), (2751, 6872), (3144, 6013), (3436, 5502), (3668, 5154)]