19751944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 39240000

約数和(自身を除く): 19488056

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 199, 398, 653, 796, 1306, 1592, 2612, 3781, 5224, 7562, 12407, 15124, 24814, 30248, 49628, 99256, 129947, 259894, 519788, 1039576, 2468993, 4937986, 9875972, 19751944]

約数ペア:

[(1, 19751944), (2, 9875972), (4, 4937986), (8, 2468993), (19, 1039576), (38, 519788), (76, 259894), (152, 129947), (199, 99256), (398, 49628), (653, 30248), (796, 24814), (1306, 15124), (1592, 12407), (2612, 7562), (3781, 5224)]