19270740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{631}}^1$

素因数の和:1152

約数の個数: 48

約数和(自身を含む): 54149760

約数和(自身を除く): 34879020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 631, 1018, 1262, 1527, 1893, 2036, 2524, 2545, 3054, 3155, 3786, 5090, 6108, 6310, 7572, 7635, 9465, 10180, 12620, 15270, 18930, 30540, 37860, 321179, 642358, 963537, 1284716, 1605895, 1927074, 3211790, 3854148, 4817685, 6423580, 9635370, 19270740]

約数ペア:

[(1, 19270740), (2, 9635370), (3, 6423580), (4, 4817685), (5, 3854148), (6, 3211790), (10, 1927074), (12, 1605895), (15, 1284716), (20, 963537), (30, 642358), (60, 321179), (509, 37860), (631, 30540), (1018, 18930), (1262, 15270), (1527, 12620), (1893, 10180), (2036, 9465), (2524, 7635), (2545, 7572), (3054, 6310), (3155, 6108), (3786, 5090)]