18333040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 47246976

約数和(自身を除く): 28913936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 251, 332, 415, 440, 502, 664, 830, 880, 913, 1004, 1255, 1328, 1660, 1826, 2008, 2510, 2761, 3320, 3652, 4016, 4565, 5020, 5522, 6640, 7304, 9130, 10040, 11044, 13805, 14608, 18260, 20080, 20833, 22088, 27610, 36520, 41666, 44176, 55220, 73040, 83332, 104165, 110440, 166664, 208330, 220880, 229163, 333328, 416660, 458326, 833320, 916652, 1145815, 1666640, 1833304, 2291630, 3666608, 4583260, 9166520, 18333040]

約数ペア:

[(1, 18333040), (2, 9166520), (4, 4583260), (5, 3666608), (8, 2291630), (10, 1833304), (11, 1666640), (16, 1145815), (20, 916652), (22, 833320), (40, 458326), (44, 416660), (55, 333328), (80, 229163), (83, 220880), (88, 208330), (110, 166664), (166, 110440), (176, 104165), (220, 83332), (251, 73040), (332, 55220), (415, 44176), (440, 41666), (502, 36520), (664, 27610), (830, 22088), (880, 20833), (913, 20080), (1004, 18260), (1255, 14608), (1328, 13805), (1660, 11044), (1826, 10040), (2008, 9130), (2510, 7304), (2761, 6640), (3320, 5522), (3652, 5020), (4016, 4565)]