19338620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 28077700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2939, 3290, 5878, 6580, 11756, 14695, 20573, 29390, 41146, 58780, 82292, 102865, 138133, 205730, 276266, 411460, 552532, 690665, 966931, 1381330, 1933862, 2762660, 3867724, 4834655, 9669310, 19338620]

約数ペア:

[(1, 19338620), (2, 9669310), (4, 4834655), (5, 3867724), (7, 2762660), (10, 1933862), (14, 1381330), (20, 966931), (28, 690665), (35, 552532), (47, 411460), (70, 276266), (94, 205730), (140, 138133), (188, 102865), (235, 82292), (329, 58780), (470, 41146), (658, 29390), (940, 20573), (1316, 14695), (1645, 11756), (2939, 6580), (3290, 5878)]