18982140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16651}}^1$

素因数の和:16682

約数の個数: 48

約数和(自身を含む): 55950720

約数和(自身を除く): 36968580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16651, 33302, 49953, 66604, 83255, 99906, 166510, 199812, 249765, 316369, 333020, 499530, 632738, 949107, 999060, 1265476, 1581845, 1898214, 3163690, 3796428, 4745535, 6327380, 9491070, 18982140]

約数ペア:

[(1, 18982140), (2, 9491070), (3, 6327380), (4, 4745535), (5, 3796428), (6, 3163690), (10, 1898214), (12, 1581845), (15, 1265476), (19, 999060), (20, 949107), (30, 632738), (38, 499530), (57, 333020), (60, 316369), (76, 249765), (95, 199812), (114, 166510), (190, 99906), (228, 83255), (285, 66604), (380, 49953), (570, 33302), (1140, 16651)]