19289060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4751}}^1$

素因数の和:4796

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 28611100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4751, 9502, 19004, 23755, 33257, 47510, 66514, 95020, 133028, 137779, 166285, 275558, 332570, 551116, 665140, 688895, 964453, 1377790, 1928906, 2755580, 3857812, 4822265, 9644530, 19289060]

約数ペア:

[(1, 19289060), (2, 9644530), (4, 4822265), (5, 3857812), (7, 2755580), (10, 1928906), (14, 1377790), (20, 964453), (28, 688895), (29, 665140), (35, 551116), (58, 332570), (70, 275558), (116, 166285), (140, 137779), (145, 133028), (203, 95020), (290, 66514), (406, 47510), (580, 33257), (812, 23755), (1015, 19004), (2030, 9502), (4060, 4751)]