19890078

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11087}}^1$

素因数の和:11128

約数の個数: 32

約数和(自身を含む): 44706816

約数和(自身を除く): 24816738

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 11087, 22174, 33261, 66522, 144131, 255001, 288262, 432393, 510002, 765003, 864786, 1530006, 3315013, 6630026, 9945039, 19890078]

約数ペア:

[(1, 19890078), (2, 9945039), (3, 6630026), (6, 3315013), (13, 1530006), (23, 864786), (26, 765003), (39, 510002), (46, 432393), (69, 288262), (78, 255001), (138, 144131), (299, 66522), (598, 33261), (897, 22174), (1794, 11087)]