19830356

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 43107456

約数和(自身を除く): 23277100

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 347, 364, 628, 694, 1099, 1388, 2041, 2198, 2429, 4082, 4396, 4511, 4858, 8164, 9022, 9716, 14287, 18044, 28574, 31577, 54479, 57148, 63154, 108958, 126308, 217916, 381353, 708227, 762706, 1416454, 1525412, 2832908, 4957589, 9915178, 19830356]

約数ペア:

[(1, 19830356), (2, 9915178), (4, 4957589), (7, 2832908), (13, 1525412), (14, 1416454), (26, 762706), (28, 708227), (52, 381353), (91, 217916), (157, 126308), (182, 108958), (314, 63154), (347, 57148), (364, 54479), (628, 31577), (694, 28574), (1099, 18044), (1388, 14287), (2041, 9716), (2198, 9022), (2429, 8164), (4082, 4858), (4396, 4511)]