18825760

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1213}}^1$

素因数の和:1325

約数の個数: 48

約数和(自身を含む): 44971416

約数和(自身を除く): 26145656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1213, 1552, 1940, 2426, 3104, 3880, 4852, 6065, 7760, 9704, 12130, 15520, 19408, 24260, 38816, 48520, 97040, 117661, 194080, 235322, 470644, 588305, 941288, 1176610, 1882576, 2353220, 3765152, 4706440, 9412880, 18825760]

約数ペア:

[(1, 18825760), (2, 9412880), (4, 4706440), (5, 3765152), (8, 2353220), (10, 1882576), (16, 1176610), (20, 941288), (32, 588305), (40, 470644), (80, 235322), (97, 194080), (160, 117661), (194, 97040), (388, 48520), (485, 38816), (776, 24260), (970, 19408), (1213, 15520), (1552, 12130), (1940, 9704), (2426, 7760), (3104, 6065), (3880, 4852)]