18618320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33247}}^1$

素因数の和:33267

約数の個数: 40

約数和(自身を含む): 49473024

約数和(自身を除く): 30854704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33247, 66494, 132988, 166235, 232729, 265976, 332470, 465458, 531952, 664940, 930916, 1163645, 1329880, 1861832, 2327290, 2659760, 3723664, 4654580, 9309160, 18618320]

約数ペア:

[(1, 18618320), (2, 9309160), (4, 4654580), (5, 3723664), (7, 2659760), (8, 2327290), (10, 1861832), (14, 1329880), (16, 1163645), (20, 930916), (28, 664940), (35, 531952), (40, 465458), (56, 332470), (70, 265976), (80, 232729), (112, 166235), (140, 132988), (280, 66494), (560, 33247)]