19579040

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9413}}^1$

素因数の和:9441

約数の個数: 48

約数和(自身を含む): 49818888

約数和(自身を除く): 30239848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 9413, 18826, 37652, 47065, 75304, 94130, 122369, 150608, 188260, 244738, 301216, 376520, 489476, 611845, 753040, 978952, 1223690, 1506080, 1957904, 2447380, 3915808, 4894760, 9789520, 19579040]

約数ペア:

[(1, 19579040), (2, 9789520), (4, 4894760), (5, 3915808), (8, 2447380), (10, 1957904), (13, 1506080), (16, 1223690), (20, 978952), (26, 753040), (32, 611845), (40, 489476), (52, 376520), (65, 301216), (80, 244738), (104, 188260), (130, 150608), (160, 122369), (208, 94130), (260, 75304), (416, 47065), (520, 37652), (1040, 18826), (2080, 9413)]