18243520

素因数分解:

$2^6\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1277

約数の個数: 56

約数和(自身を含む): 44403264

約数和(自身を除く): 26159744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 160, 188, 235, 320, 376, 470, 752, 940, 1213, 1504, 1880, 2426, 3008, 3760, 4852, 6065, 7520, 9704, 12130, 15040, 19408, 24260, 38816, 48520, 57011, 77632, 97040, 114022, 194080, 228044, 285055, 388160, 456088, 570110, 912176, 1140220, 1824352, 2280440, 3648704, 4560880, 9121760, 18243520]

約数ペア:

[(1, 18243520), (2, 9121760), (4, 4560880), (5, 3648704), (8, 2280440), (10, 1824352), (16, 1140220), (20, 912176), (32, 570110), (40, 456088), (47, 388160), (64, 285055), (80, 228044), (94, 194080), (160, 114022), (188, 97040), (235, 77632), (320, 57011), (376, 48520), (470, 38816), (752, 24260), (940, 19408), (1213, 15040), (1504, 12130), (1880, 9704), (2426, 7520), (3008, 6065), (3760, 4852)]