19936884

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 51468480

約数和(自身を除く): 31531596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 73, 132, 146, 219, 292, 438, 803, 876, 1606, 2069, 2409, 3212, 4138, 4818, 6207, 8276, 9636, 12414, 22759, 24828, 45518, 68277, 91036, 136554, 151037, 273108, 302074, 453111, 604148, 906222, 1661407, 1812444, 3322814, 4984221, 6645628, 9968442, 19936884]

約数ペア:

[(1, 19936884), (2, 9968442), (3, 6645628), (4, 4984221), (6, 3322814), (11, 1812444), (12, 1661407), (22, 906222), (33, 604148), (44, 453111), (66, 302074), (73, 273108), (132, 151037), (146, 136554), (219, 91036), (292, 68277), (438, 45518), (803, 24828), (876, 22759), (1606, 12414), (2069, 9636), (2409, 8276), (3212, 6207), (4138, 4818)]