19867260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47303}}^1$

素因数の和:47322

約数の個数: 48

約数和(自身を含む): 63576576

約数和(自身を除く): 43709316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 47303, 94606, 141909, 189212, 236515, 283818, 331121, 473030, 567636, 662242, 709545, 946060, 993363, 1324484, 1419090, 1655605, 1986726, 2838180, 3311210, 3973452, 4966815, 6622420, 9933630, 19867260]

約数ペア:

[(1, 19867260), (2, 9933630), (3, 6622420), (4, 4966815), (5, 3973452), (6, 3311210), (7, 2838180), (10, 1986726), (12, 1655605), (14, 1419090), (15, 1324484), (20, 993363), (21, 946060), (28, 709545), (30, 662242), (35, 567636), (42, 473030), (60, 331121), (70, 283818), (84, 236515), (105, 189212), (140, 141909), (210, 94606), (420, 47303)]