19990812

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{87679}}^1$

素因数の和:87705

約数の個数: 24

約数和(自身を含む): 49100800

約数和(自身を除く): 29109988

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 87679, 175358, 263037, 350716, 526074, 1052148, 1665901, 3331802, 4997703, 6663604, 9995406, 19990812]

約数ペア:

[(1, 19990812), (2, 9995406), (3, 6663604), (4, 4997703), (6, 3331802), (12, 1665901), (19, 1052148), (38, 526074), (57, 350716), (76, 263037), (114, 175358), (228, 87679)]