19971512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1787}}^1$

素因数の和:1931

約数の個数: 32

約数和(自身を含む): 41195520

約数和(自身を除く): 21224008

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 127, 254, 508, 1016, 1397, 1787, 2794, 3574, 5588, 7148, 11176, 14296, 19657, 39314, 78628, 157256, 226949, 453898, 907796, 1815592, 2496439, 4992878, 9985756, 19971512]

約数ペア:

[(1, 19971512), (2, 9985756), (4, 4992878), (8, 2496439), (11, 1815592), (22, 907796), (44, 453898), (88, 226949), (127, 157256), (254, 78628), (508, 39314), (1016, 19657), (1397, 14296), (1787, 11176), (2794, 7148), (3574, 5588)]