18717238

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 12853322

約数列:

[1, 2, 17, 29, 34, 41, 58, 82, 463, 493, 697, 926, 986, 1189, 1394, 2378, 7871, 13427, 15742, 18983, 20213, 26854, 37966, 40426, 228259, 322711, 456518, 550507, 645422, 1101014, 9358619, 18717238]

約数ペア:

[(1, 18717238), (2, 9358619), (17, 1101014), (29, 645422), (34, 550507), (41, 456518), (58, 322711), (82, 228259), (463, 40426), (493, 37966), (697, 26854), (926, 20213), (986, 18983), (1189, 15742), (1394, 13427), (2378, 7871)]