19480580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 47005056

約数和(自身を除く): 27524476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 401, 694, 802, 1388, 1604, 1735, 2005, 2429, 2807, 3470, 4010, 4858, 5614, 6940, 8020, 9716, 11228, 12145, 14035, 24290, 28070, 48580, 56140, 139147, 278294, 556588, 695735, 974029, 1391470, 1948058, 2782940, 3896116, 4870145, 9740290, 19480580]

約数ペア:

[(1, 19480580), (2, 9740290), (4, 4870145), (5, 3896116), (7, 2782940), (10, 1948058), (14, 1391470), (20, 974029), (28, 695735), (35, 556588), (70, 278294), (140, 139147), (347, 56140), (401, 48580), (694, 28070), (802, 24290), (1388, 14035), (1604, 12145), (1735, 11228), (2005, 9716), (2429, 8020), (2807, 6940), (3470, 5614), (4010, 4858)]