19501160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 50526720

約数和(自身を除く): 31025560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 271, 280, 514, 542, 1028, 1084, 1285, 1355, 1799, 1897, 2056, 2168, 2570, 2710, 3598, 3794, 5140, 5420, 7196, 7588, 8995, 9485, 10280, 10840, 14392, 15176, 17990, 18970, 35980, 37940, 69647, 71960, 75880, 139294, 278588, 348235, 487529, 557176, 696470, 975058, 1392940, 1950116, 2437645, 2785880, 3900232, 4875290, 9750580, 19501160]

約数ペア:

[(1, 19501160), (2, 9750580), (4, 4875290), (5, 3900232), (7, 2785880), (8, 2437645), (10, 1950116), (14, 1392940), (20, 975058), (28, 696470), (35, 557176), (40, 487529), (56, 348235), (70, 278588), (140, 139294), (257, 75880), (271, 71960), (280, 69647), (514, 37940), (542, 35980), (1028, 18970), (1084, 17990), (1285, 15176), (1355, 14392), (1799, 10840), (1897, 10280), (2056, 9485), (2168, 8995), (2570, 7588), (2710, 7196), (3598, 5420), (3794, 5140)]