18006608

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 36747648

約数和(自身を除く): 18741040

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 167, 184, 293, 334, 368, 586, 668, 1172, 1336, 2344, 2672, 3841, 4688, 6739, 7682, 13478, 15364, 26956, 30728, 48931, 53912, 61456, 97862, 107824, 195724, 391448, 782896, 1125413, 2250826, 4501652, 9003304, 18006608]

約数ペア:

[(1, 18006608), (2, 9003304), (4, 4501652), (8, 2250826), (16, 1125413), (23, 782896), (46, 391448), (92, 195724), (167, 107824), (184, 97862), (293, 61456), (334, 53912), (368, 48931), (586, 30728), (668, 26956), (1172, 15364), (1336, 13478), (2344, 7682), (2672, 6739), (3841, 4688)]