17620988

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{743}}^1$

素因数の和:783

約数の個数: 54

約数和(自身を含む): 39481848

約数和(自身を除く): 21860860

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 196, 242, 308, 484, 539, 743, 847, 1078, 1486, 1694, 2156, 2972, 3388, 5201, 5929, 8173, 10402, 11858, 16346, 20804, 23716, 32692, 36407, 57211, 72814, 89903, 114422, 145628, 179806, 228844, 359612, 400477, 629321, 800954, 1258642, 1601908, 2517284, 4405247, 8810494, 17620988]

約数ペア:

[(1, 17620988), (2, 8810494), (4, 4405247), (7, 2517284), (11, 1601908), (14, 1258642), (22, 800954), (28, 629321), (44, 400477), (49, 359612), (77, 228844), (98, 179806), (121, 145628), (154, 114422), (196, 89903), (242, 72814), (308, 57211), (484, 36407), (539, 32692), (743, 23716), (847, 20804), (1078, 16346), (1486, 11858), (1694, 10402), (2156, 8173), (2972, 5929), (3388, 5201)]