19147240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{9769}}^1$

素因数の和:9794

約数の個数: 48

約数和(自身を含む): 50120100

約数和(自身を除く): 30972860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 9769, 19538, 39076, 48845, 68383, 78152, 97690, 136766, 195380, 273532, 341915, 390760, 478681, 547064, 683830, 957362, 1367660, 1914724, 2393405, 2735320, 3829448, 4786810, 9573620, 19147240]

約数ペア:

[(1, 19147240), (2, 9573620), (4, 4786810), (5, 3829448), (7, 2735320), (8, 2393405), (10, 1914724), (14, 1367660), (20, 957362), (28, 683830), (35, 547064), (40, 478681), (49, 390760), (56, 341915), (70, 273532), (98, 195380), (140, 136766), (196, 97690), (245, 78152), (280, 68383), (392, 48845), (490, 39076), (980, 19538), (1960, 9769)]