19830965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2711}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 31242240

約数和(自身を除く): 11411275

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2711, 7315, 13555, 18977, 29821, 51509, 94885, 149105, 208747, 257545, 360563, 566599, 1043735, 1802815, 2832995, 3966193, 19830965]

約数ペア:

[(1, 19830965), (5, 3966193), (7, 2832995), (11, 1802815), (19, 1043735), (35, 566599), (55, 360563), (77, 257545), (95, 208747), (133, 149105), (209, 94885), (385, 51509), (665, 29821), (1045, 18977), (1463, 13555), (2711, 7315)]