19983312

素因数分解:

$2^4\times 3^2\times {\mathrm{73}}^1\times {\mathrm{1901}}^1$

素因数の和:1988

約数の個数: 60

約数和(自身を含む): 56721444

約数和(自身を除く): 36738132

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 73, 144, 146, 219, 292, 438, 584, 657, 876, 1168, 1314, 1752, 1901, 2628, 3504, 3802, 5256, 5703, 7604, 10512, 11406, 15208, 17109, 22812, 30416, 34218, 45624, 68436, 91248, 136872, 138773, 273744, 277546, 416319, 555092, 832638, 1110184, 1248957, 1665276, 2220368, 2497914, 3330552, 4995828, 6661104, 9991656, 19983312]

約数ペア:

[(1, 19983312), (2, 9991656), (3, 6661104), (4, 4995828), (6, 3330552), (8, 2497914), (9, 2220368), (12, 1665276), (16, 1248957), (18, 1110184), (24, 832638), (36, 555092), (48, 416319), (72, 277546), (73, 273744), (144, 138773), (146, 136872), (219, 91248), (292, 68436), (438, 45624), (584, 34218), (657, 30416), (876, 22812), (1168, 17109), (1314, 15208), (1752, 11406), (1901, 10512), (2628, 7604), (3504, 5703), (3802, 5256)]