18929120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16901}}^1$

素因数の和:16923

約数の個数: 48

約数和(自身を含む): 51111648

約数和(自身を除く): 32182528

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, 16901, 33802, 67604, 84505, 118307, 135208, 169010, 236614, 270416, 338020, 473228, 540832, 591535, 676040, 946456, 1183070, 1352080, 1892912, 2366140, 2704160, 3785824, 4732280, 9464560, 18929120]

約数ペア:

[(1, 18929120), (2, 9464560), (4, 4732280), (5, 3785824), (7, 2704160), (8, 2366140), (10, 1892912), (14, 1352080), (16, 1183070), (20, 946456), (28, 676040), (32, 591535), (35, 540832), (40, 473228), (56, 338020), (70, 270416), (80, 236614), (112, 169010), (140, 135208), (160, 118307), (224, 84505), (280, 67604), (560, 33802), (1120, 16901)]