18513440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 48734784

約数和(自身を除く): 30221344

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 134, 157, 160, 176, 220, 268, 314, 335, 352, 440, 536, 628, 670, 737, 785, 880, 1072, 1256, 1340, 1474, 1570, 1727, 1760, 2144, 2512, 2680, 2948, 3140, 3454, 3685, 5024, 5360, 5896, 6280, 6908, 7370, 8635, 10519, 10720, 11792, 12560, 13816, 14740, 17270, 21038, 23584, 25120, 27632, 29480, 34540, 42076, 52595, 55264, 58960, 69080, 84152, 105190, 115709, 117920, 138160, 168304, 210380, 231418, 276320, 336608, 420760, 462836, 578545, 841520, 925672, 1157090, 1683040, 1851344, 2314180, 3702688, 4628360, 9256720, 18513440]

約数ペア:

[(1, 18513440), (2, 9256720), (4, 4628360), (5, 3702688), (8, 2314180), (10, 1851344), (11, 1683040), (16, 1157090), (20, 925672), (22, 841520), (32, 578545), (40, 462836), (44, 420760), (55, 336608), (67, 276320), (80, 231418), (88, 210380), (110, 168304), (134, 138160), (157, 117920), (160, 115709), (176, 105190), (220, 84152), (268, 69080), (314, 58960), (335, 55264), (352, 52595), (440, 42076), (536, 34540), (628, 29480), (670, 27632), (737, 25120), (785, 23584), (880, 21038), (1072, 17270), (1256, 14740), (1340, 13816), (1474, 12560), (1570, 11792), (1727, 10720), (1760, 10519), (2144, 8635), (2512, 7370), (2680, 6908), (2948, 6280), (3140, 5896), (3454, 5360), (3685, 5024)]