18958240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16927}}^1$

素因数の和:16949

約数の個数: 48

約数和(自身を含む): 51190272

約数和(自身を除く): 32232032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16927, 33854, 67708, 84635, 118489, 135416, 169270, 236978, 270832, 338540, 473956, 541664, 592445, 677080, 947912, 1184890, 1354160, 1895824, 2369780, 2708320, 3791648, 4739560, 9479120, 18958240]

約数ペア:

[(1, 18958240), (2, 9479120), (4, 4739560), (5, 3791648), (7, 2708320), (8, 2369780), (10, 1895824), (14, 1354160), (16, 1184890), (20, 947912), (28, 677080), (32, 592445), (35, 541664), (40, 473956), (56, 338540), (70, 270832), (80, 236978), (112, 169270), (140, 135416), (160, 118489), (224, 84635), (280, 67708), (560, 33854), (1120, 16927)]