18421850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 36372672

約数和(自身を除く): 17950822

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 83, 115, 166, 193, 230, 386, 415, 575, 830, 965, 1150, 1909, 1930, 2075, 3818, 4150, 4439, 4825, 8878, 9545, 9650, 16019, 19090, 22195, 32038, 44390, 47725, 80095, 95450, 110975, 160190, 221950, 368437, 400475, 736874, 800950, 1842185, 3684370, 9210925, 18421850]

約数ペア:

[(1, 18421850), (2, 9210925), (5, 3684370), (10, 1842185), (23, 800950), (25, 736874), (46, 400475), (50, 368437), (83, 221950), (115, 160190), (166, 110975), (193, 95450), (230, 80095), (386, 47725), (415, 44390), (575, 32038), (830, 22195), (965, 19090), (1150, 16019), (1909, 9650), (1930, 9545), (2075, 8878), (3818, 4825), (4150, 4439)]