19867824

素因数分解:

$2^4\times 3^2\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:786

約数の個数: 60

約数和(自身を含む): 55913832

約数和(自身を除く): 36046008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 281, 491, 562, 843, 982, 1124, 1473, 1686, 1964, 2248, 2529, 2946, 3372, 3928, 4419, 4496, 5058, 5892, 6744, 7856, 8838, 10116, 11784, 13488, 17676, 20232, 23568, 35352, 40464, 70704, 137971, 275942, 413913, 551884, 827826, 1103768, 1241739, 1655652, 2207536, 2483478, 3311304, 4966956, 6622608, 9933912, 19867824]

約数ペア:

[(1, 19867824), (2, 9933912), (3, 6622608), (4, 4966956), (6, 3311304), (8, 2483478), (9, 2207536), (12, 1655652), (16, 1241739), (18, 1103768), (24, 827826), (36, 551884), (48, 413913), (72, 275942), (144, 137971), (281, 70704), (491, 40464), (562, 35352), (843, 23568), (982, 20232), (1124, 17676), (1473, 13488), (1686, 11784), (1964, 10116), (2248, 8838), (2529, 7856), (2946, 6744), (3372, 5892), (3928, 5058), (4419, 4496)]