18875840

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{967}}^1$

素因数の和:1045

約数の個数: 56

約数和(自身を含む): 45732192

約数和(自身を除く): 26856352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 967, 976, 1220, 1934, 1952, 2440, 3868, 3904, 4835, 4880, 7736, 9670, 9760, 15472, 19340, 19520, 30944, 38680, 58987, 61888, 77360, 117974, 154720, 235948, 294935, 309440, 471896, 589870, 943792, 1179740, 1887584, 2359480, 3775168, 4718960, 9437920, 18875840]

約数ペア:

[(1, 18875840), (2, 9437920), (4, 4718960), (5, 3775168), (8, 2359480), (10, 1887584), (16, 1179740), (20, 943792), (32, 589870), (40, 471896), (61, 309440), (64, 294935), (80, 235948), (122, 154720), (160, 117974), (244, 77360), (305, 61888), (320, 58987), (488, 38680), (610, 30944), (967, 19520), (976, 19340), (1220, 15472), (1934, 9760), (1952, 9670), (2440, 7736), (3868, 4880), (3904, 4835)]