19442050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 38870280

約数和(自身を除く): 19428230

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 89, 170, 178, 257, 425, 445, 514, 850, 890, 1285, 1513, 2225, 2570, 3026, 4369, 4450, 6425, 7565, 8738, 12850, 15130, 21845, 22873, 37825, 43690, 45746, 75650, 109225, 114365, 218450, 228730, 388841, 571825, 777682, 1143650, 1944205, 3888410, 9721025, 19442050]

約数ペア:

[(1, 19442050), (2, 9721025), (5, 3888410), (10, 1944205), (17, 1143650), (25, 777682), (34, 571825), (50, 388841), (85, 228730), (89, 218450), (170, 114365), (178, 109225), (257, 75650), (425, 45746), (445, 43690), (514, 37825), (850, 22873), (890, 21845), (1285, 15130), (1513, 12850), (2225, 8738), (2570, 7565), (3026, 6425), (4369, 4450)]