19440112

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71471}}^1$

素因数の和:71496

約数の個数: 20

約数和(自身を含む): 39881376

約数和(自身を除く): 20441264

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71471, 142942, 285884, 571768, 1143536, 1215007, 2430014, 4860028, 9720056, 19440112]

約数ペア:

[(1, 19440112), (2, 9720056), (4, 4860028), (8, 2430014), (16, 1215007), (17, 1143536), (34, 571768), (68, 285884), (136, 142942), (272, 71471)]