18525760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 50840640

約数和(自身を除く): 32314880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 152, 160, 176, 190, 209, 220, 277, 304, 320, 352, 380, 418, 440, 554, 608, 704, 760, 836, 880, 1045, 1108, 1216, 1385, 1520, 1672, 1760, 2090, 2216, 2770, 3040, 3047, 3344, 3520, 4180, 4432, 5263, 5540, 6080, 6094, 6688, 8360, 8864, 10526, 11080, 12188, 13376, 15235, 16720, 17728, 21052, 22160, 24376, 26315, 30470, 33440, 42104, 44320, 48752, 52630, 57893, 60940, 66880, 84208, 88640, 97504, 105260, 115786, 121880, 168416, 195008, 210520, 231572, 243760, 289465, 336832, 421040, 463144, 487520, 578930, 842080, 926288, 975040, 1157860, 1684160, 1852576, 2315720, 3705152, 4631440, 9262880, 18525760]

約数ペア:

[(1, 18525760), (2, 9262880), (4, 4631440), (5, 3705152), (8, 2315720), (10, 1852576), (11, 1684160), (16, 1157860), (19, 975040), (20, 926288), (22, 842080), (32, 578930), (38, 487520), (40, 463144), (44, 421040), (55, 336832), (64, 289465), (76, 243760), (80, 231572), (88, 210520), (95, 195008), (110, 168416), (152, 121880), (160, 115786), (176, 105260), (190, 97504), (209, 88640), (220, 84208), (277, 66880), (304, 60940), (320, 57893), (352, 52630), (380, 48752), (418, 44320), (440, 42104), (554, 33440), (608, 30470), (704, 26315), (760, 24376), (836, 22160), (880, 21052), (1045, 17728), (1108, 16720), (1216, 15235), (1385, 13376), (1520, 12188), (1672, 11080), (1760, 10526), (2090, 8864), (2216, 8360), (2770, 6688), (3040, 6094), (3047, 6080), (3344, 5540), (3520, 5263), (4180, 4432)]