19345742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 32387040

約数和(自身を除く): 13041298

約数列:

[1, 2, 13, 26, 53, 101, 106, 139, 202, 278, 689, 1313, 1378, 1807, 2626, 3614, 5353, 7367, 10706, 14039, 14734, 28078, 69589, 95771, 139178, 182507, 191542, 365014, 744067, 1488134, 9672871, 19345742]

約数ペア:

[(1, 19345742), (2, 9672871), (13, 1488134), (26, 744067), (53, 365014), (101, 191542), (106, 182507), (139, 139178), (202, 95771), (278, 69589), (689, 28078), (1313, 14734), (1378, 14039), (1807, 10706), (2626, 7367), (3614, 5353)]