18768776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{719}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 19333624

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 719, 1004, 1438, 2008, 2876, 3263, 5752, 6526, 9347, 13052, 18694, 26104, 37388, 74776, 180469, 360938, 721876, 1443752, 2346097, 4692194, 9384388, 18768776]

約数ペア:

[(1, 18768776), (2, 9384388), (4, 4692194), (8, 2346097), (13, 1443752), (26, 721876), (52, 360938), (104, 180469), (251, 74776), (502, 37388), (719, 26104), (1004, 18694), (1438, 13052), (2008, 9347), (2876, 6526), (3263, 5752)]