19557180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{36217}}^1$

素因数の和:36235

約数の個数: 48

約数和(自身を含む): 60846240

約数和(自身を除く): 41289060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 36217, 72434, 108651, 144868, 181085, 217302, 325953, 362170, 434604, 543255, 651906, 724340, 977859, 1086510, 1303812, 1629765, 1955718, 2173020, 3259530, 3911436, 4889295, 6519060, 9778590, 19557180]

約数ペア:

[(1, 19557180), (2, 9778590), (3, 6519060), (4, 4889295), (5, 3911436), (6, 3259530), (9, 2173020), (10, 1955718), (12, 1629765), (15, 1303812), (18, 1086510), (20, 977859), (27, 724340), (30, 651906), (36, 543255), (45, 434604), (54, 362170), (60, 325953), (90, 217302), (108, 181085), (135, 144868), (180, 108651), (270, 72434), (540, 36217)]