18946095

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 35704800

約数和(自身を除く): 16758705

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 149, 173, 245, 447, 519, 735, 745, 865, 1043, 1211, 2235, 2595, 3129, 3633, 5215, 6055, 7301, 8477, 15645, 18165, 21903, 25431, 25777, 36505, 42385, 77331, 109515, 127155, 128885, 180439, 386655, 541317, 902195, 1263073, 2706585, 3789219, 6315365, 18946095]

約数ペア:

[(1, 18946095), (3, 6315365), (5, 3789219), (7, 2706585), (15, 1263073), (21, 902195), (35, 541317), (49, 386655), (105, 180439), (147, 128885), (149, 127155), (173, 109515), (245, 77331), (447, 42385), (519, 36505), (735, 25777), (745, 25431), (865, 21903), (1043, 18165), (1211, 15645), (2235, 8477), (2595, 7301), (3129, 6055), (3633, 5215)]