19663024

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1009

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 21048656

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 911, 1136, 1349, 1822, 2698, 3644, 5396, 7288, 10792, 14576, 17309, 21584, 34618, 64681, 69236, 129362, 138472, 258724, 276944, 517448, 1034896, 1228939, 2457878, 4915756, 9831512, 19663024]

約数ペア:

[(1, 19663024), (2, 9831512), (4, 4915756), (8, 2457878), (16, 1228939), (19, 1034896), (38, 517448), (71, 276944), (76, 258724), (142, 138472), (152, 129362), (284, 69236), (304, 64681), (568, 34618), (911, 21584), (1136, 17309), (1349, 14576), (1822, 10792), (2698, 7288), (3644, 5396)]