19946864

素因数分解:

$2^4\times 7^1\times {\mathrm{313}}^1\times {\mathrm{569}}^1$

素因数の和:897

約数の個数: 40

約数和(自身を含む): 44387040

約数和(自身を除く): 24440176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 313, 569, 626, 1138, 1252, 2191, 2276, 2504, 3983, 4382, 4552, 5008, 7966, 8764, 9104, 15932, 17528, 31864, 35056, 63728, 178097, 356194, 712388, 1246679, 1424776, 2493358, 2849552, 4986716, 9973432, 19946864]

約数ペア:

[(1, 19946864), (2, 9973432), (4, 4986716), (7, 2849552), (8, 2493358), (14, 1424776), (16, 1246679), (28, 712388), (56, 356194), (112, 178097), (313, 63728), (569, 35056), (626, 31864), (1138, 17528), (1252, 15932), (2191, 9104), (2276, 8764), (2504, 7966), (3983, 5008), (4382, 4552)]