18823280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{33613}}^1$

素因数の和:33633

約数の個数: 40

約数和(自身を含む): 50017632

約数和(自身を除く): 31194352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 33613, 67226, 134452, 168065, 235291, 268904, 336130, 470582, 537808, 672260, 941164, 1176455, 1344520, 1882328, 2352910, 2689040, 3764656, 4705820, 9411640, 18823280]

約数ペア:

[(1, 18823280), (2, 9411640), (4, 4705820), (5, 3764656), (7, 2689040), (8, 2352910), (10, 1882328), (14, 1344520), (16, 1176455), (20, 941164), (28, 672260), (35, 537808), (40, 470582), (56, 336130), (70, 268904), (80, 235291), (112, 168065), (140, 134452), (280, 67226), (560, 33613)]