18748020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1619}}^1$

素因数の和:1824

約数の個数: 48

約数和(自身を含む): 52799040

約数和(自身を除く): 34051020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 193, 386, 579, 772, 965, 1158, 1619, 1930, 2316, 2895, 3238, 3860, 4857, 5790, 6476, 8095, 9714, 11580, 16190, 19428, 24285, 32380, 48570, 97140, 312467, 624934, 937401, 1249868, 1562335, 1874802, 3124670, 3749604, 4687005, 6249340, 9374010, 18748020]

約数ペア:

[(1, 18748020), (2, 9374010), (3, 6249340), (4, 4687005), (5, 3749604), (6, 3124670), (10, 1874802), (12, 1562335), (15, 1249868), (20, 937401), (30, 624934), (60, 312467), (193, 97140), (386, 48570), (579, 32380), (772, 24285), (965, 19428), (1158, 16190), (1619, 11580), (1930, 9714), (2316, 8095), (2895, 6476), (3238, 5790), (3860, 4857)]