19172080

素因数分解:

$2^4\times 5^1\times {\mathrm{367}}^1\times {\mathrm{653}}^1$

素因数の和:1033

約数の個数: 40

約数和(自身を含む): 44764992

約数和(自身を除く): 25592912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 367, 653, 734, 1306, 1468, 1835, 2612, 2936, 3265, 3670, 5224, 5872, 6530, 7340, 10448, 13060, 14680, 26120, 29360, 52240, 239651, 479302, 958604, 1198255, 1917208, 2396510, 3834416, 4793020, 9586040, 19172080]

約数ペア:

[(1, 19172080), (2, 9586040), (4, 4793020), (5, 3834416), (8, 2396510), (10, 1917208), (16, 1198255), (20, 958604), (40, 479302), (80, 239651), (367, 52240), (653, 29360), (734, 26120), (1306, 14680), (1468, 13060), (1835, 10448), (2612, 7340), (2936, 6530), (3265, 5872), (3670, 5224)]